{-
piston lp
by aneurin "anny" barker snook
http://anny.audio
-}

-- channel map = clearer purposing
let d'drum = d1 -- k, sn
let d'perc = d2 -- wt, wtsn, hh
let d'gnome = d3 -- gnome, cymb
let d'bass = d4 -- dubb, k
let d'fly = d5 -- fly
let d'bz = d6 -- bz, bzl, ff
let d'shard = d7 -- ice, plode
let d'ant = d9 -- ant
let d'misc = d8 -- overflow channel for a few cases
let d'cymb = d10 -- cymb

-- preload samples
d1 $ sound (samples "[dubb fly gnome ice sn wt wtsn]*16" $ run 16) |=| end "0.00001"
d1 silence

-- handy shortcuts
let msil = mapM_ ($ silence)

let k = sound "k"
let k1 = sound "k:1"
let sn = sound "[~ sn]/2"

let bass'params = (|=| gain "0.7").
                  (|=| hcutoff "0.022").
                  (|=| hresonance "0.001")

let bass' c = rev . chop c $ bass'params $ sound "[dubb dubb:1]/2"

{-
[1]
-}

let fly'1 = slow 16 $ jux (0.5 <~) $ rev . striate 256 $ sound "fly"
            |=| hcutoff "0.09"
            |=| hresonance "0.06"

{- n.b. defs suffixed with 'nf are final-ish versions for reuse in
later sections. saves copying extra functions -}
let fly'1f = whenmod 5 2 (|=| vowel "i o") $ whenmod 3 1 (slow 2) $ brak $ fly'1

let snare43'1 = density (4%3) $ sound "[wtsn ~ wt]"
let shnare'1 = sound "[~ ~ sn [~ sn*3]/2]/2"
let kick38'1 = sound "[k(3,8)]/2"

let gnome'1 = within (0, 0.5) rev $ chop 8 $ sound "[gnome(3,8)]/2"
              |=| gain "0.8"
              |=| speed ((+0.8).(/5) <$> slow 1.1 sinewave1)

let bass'1'm = every 2 $ within (0.25, 0.75) (0.5 ~>)

-- go
cps (138/60)
d'fly $ fly'1 |=| gain "0.5"
d'fly $ fly'1 |=| gain "1"
d'drum $ k1
d'perc $ sound "wt/2"
d'bass $ slow 8 $ (0.25 <~) $ bass' 16
d'perc $ sound "{wt/2, [~ wtsn]/8}"

-- yes
d'drum $ k
d'drum $ overlay sn $ k

-- yes!
d'fly $ whenmod 5 2 (|=| vowel "i o") $ whenmod 3 1 (slow 2) $ brak $ fly'1

-- now it's a thing
d'perc $ snare43'1
d'perc $ whenmod 5 3 rev $ snare43'1
d'perc $ whenmod 5 3 (rev . chop 8) $ snare43'1
d'perc $ within (0.5, 1) (slow 1.5 . chop 4) $ whenmod 5 3 (rev . chop 8) $ snare43'1

d'gnome $ gnome'1

d'drum $ overlay shnare'1 $ sound "k"

-- stop! rebuild
msil [d'drum,d'bass]
d'drum $ kick38'1
d'drum $ overlay sn $ kick38'1
d'drum $ overlay shnare'1 $ kick38'1

d'bass $ bass'1'm $ slow 8 $ bass' 16

msil [d'perc,d'fly]
d'drum $ within (0.5, 1) (chop 8) $ overlay shnare'1 $ kick38'1
d'fly $ fly'1
d'perc $ sound "[~ wt*4 ~ wt*2 ~]/5"

d'drum $ overlay ((3.75 ~>) $ sound "wtsn/4") $ overlay sn $ kick38'1

{-
[2]
-}

let wt'2 = sound "wt*2"
           |=| vowel "[u e u a]/2"
           |=| end "0.15"

let bass'2 = slow 8 $ ((1%8) <~) $ chop 32 $
             bass'params $ sound "[dubb dubb:1]/2"
             |=| speed "1.2"
             |=| shape ((/2) <$> density 4 sinewave1)
             |=| cut "1"

let ant'2 = slow 2 $ smash 16 [1,2] $ sound "ant:1"
            |=| cutoff "0.08"
            |=| resonance "0.01"

let shard'2 = chop 16 $ sound "[ice [~ ice] ~ ~]/4"
              |=| gain "0.7"

let shard'2f = every 2 (density 1.5) $ whenmod 5 3 (density 2) $ rev $ shard'2
               |=| shape ((+0.25).(/2) <$> density 8 saw1)

let fly'2 = chop 64 $ sound "[fly ~ [fly ~ ~ fly] ~]/4"
            |=| cut "1"
            |=| begin "0.3"
            |=| end "0.35"
            |=| shape ((+0.25).(/2) <$> density 8 sinewave1)
            |=| speed ((+0.92) <$> density (5%4) saw1)

let cymb'2 g = within (0.5,1) (|=| vowel "e") $
               (0.5 ~>) $ chop 2 $ sound "[cymb*4 cymb*3]/8"
               |=| shape ((/3) <$> density 3.6 saw1)
               |=| gain g

-- go
msil [d'fly,d'gnome]
d'drum $ sound "[k [sn k] [k sn] [~ sn] [~ k] sn [k [k wtsn]]]/7"
d'perc $ wt'2
d'bass $ bass'2
d'ant $ ant'2
d'shard $ ((1%16) <~) $ shard'2
d'fly $ fly'2

-- drop
solo $ d'fly $ fly'2
d'drum $ (0.5 <~) $ sound "[[k k:1] [sn ~ ~ k]]/2"

-- rebuild
d'bass $ bass'2
d'cymb $ (0.25 ~>) $ cymb'2 "0.65"
d'perc $ wt'2
d'cymb $ whenmod 5 3 (density 3) $ (0.25 ~>) $ cymb'2 "0.65"
d'bass $ bass'2 |=| vowel "u a"

-- tweak out
d'bass $ bass'2 |=| vowel "u a"
  |=| speed "0.8 1.2"

d'shard $ rev $ shard'2
  |=| shape ((+0.25).(/2) <$> density 8 saw1)

d'shard $ every 2 (density 1.5) $ whenmod 5 3 (density 2) $ rev $ shard'2
   |=| shape ((+0.25).(/2) <$> density 8 saw1)

msil [d'perc,d'fly]
d'drum $ sound "[[k sn] [~ k:1 k:1 ~]]/2"
d'drum $ sound "[k [sn k:1 k:1 ~]]/2"
d'perc $ sound "~ wt*2"

{-
[3]
-}

let bass'3 v c b = (4 <~) $ every 2 (0.5 <~) $
                   slow 4 .
                   (if b then brak else id) $
                   rev . chop 16 $
                   bass'params $ sound "[dubb dubb:1]/2"
                   |=| cut c
                   |=| vowel v

let bz'3 = sound "[ff(3,8) [~ [ff bz]]]/4"
           |=| end "0.3"
           |=| shape "0 0.25"
           |=| gain "0.7"

let drum'3 = overlay (sound "[~ sn]/2") $ sound "[k*2 [~ k*2] k ~ k*2 ~ k*2 ~]/8"

let bass2'3 = slow 8 $ chop 16 $ bass'params $ sound "[dubb dubb:1]/2"
              |=| cut "1"
              |=| speed "0.2"
              |=| vowel "e"

let perc'3 = sound "[[k:1 [~ k:1] k:1 [~ k:1]] sn]/8"

let perc'3'delay = (|=| delay "0.3").
                   (|=| delayfeedback "0.5").
                   (|=| delaytime "0.766") --(138/60)/3

let shard'3f = iter 4 . density 2 $ (0.5 <~) $ ((1%16) <~) $ shard'2
               |=| vowel "e o"
               |=| gain "0.6"

-- go
msil [d'bass,d'cymb]
d'drum $ k
d'bz $ bz'3

d'drum silence

-- hit fan
d'drum $ sound "[k k sn k]/2"
d'bass $ bass'3 "i" "1" False
d'bass $ bass'3 "o i" "1" False
d'drum $ drum'3
d'bass $ bass'3 "o i" "1" True
d'bass $ bass'3 "o i" "0" True
solo $ d'bass $ bass'3 "o i" "1" True

d'perc $ perc'3

-- quickly
d'misc $ bass2'3
d'drum $ drum'3

d'perc $ chop 16 $ within (0.5, 1.5) (perc'3'delay) $ perc'3
d'perc $ chop 16 $ within (0.5, 1.5) (perc'3'delay) $ overlay (sound "~ wt*2") $ perc'3

d'shard $ (0.5 <~) $ ((1%16) <~) $ shard'2

d'perc $ whenmod 3 2 rev $ chop 16 $ within (0.5, 1.5) (perc'3'delay) $ overlay (sound "~ wt*2") $ perc'3
d'perc $ within (0, 0.5) (|=| vowel "o") $ whenmod 3 2 rev $ chop 16 $ within (0.5, 1.5) (perc'3'delay) $ overlay (sound "~ wt*2") $ perc'3

-- aa!
d'shard $ iter 4 . density 2 $ (0.5 <~) $ ((1%16) <~) $ shard'2
   |=| vowel "e o"
   |=| gain "0.6"

-- aa!!
d'gnome $ gnome'1

d'bass $ bass'3 "o i" "0" True

{-
[4]
-}

let drum5'4 = sound "[[~ [wt wtsn]] ~ wt ~]/5"

-- used with ice, plode, wtsn..
let plox'4 s = within (0.5, 0.75) (iter 4) $
               whenmod 3 2 (slow 2) $
               slow 8 $ every 2 rev $ striate 128 $ sound s
               |=| cutoff "0.02"
               |=| resonance "0.001"
               |=| speed "0.7"
               |=| gain "0.7"

let bass'4 = whenmod 5 3 (density (3%2) . brak) $
             bass'params $
             rev $ (0.5 ~>) $ slow 2 . chop 8 $ sound "[dubb dubb:1]/2"
             |=| speed "0.5"
             |=| cut "1"
             |=| end "0.5"

let bz'4 = (0.5 <~) $ slow 16 . chop 32 $ sound (samples "bzl" (density 1.5 "0 1"))
           |=| speed ((+1) <$> density 1.7 sinewave1)
           |=| gain "0.9"

-- used with bz, bzl
let bzox'4 s = whenmod 7 4 (within (0.5, 1) (density 2)) $
               (0.5 <~) $
               slow 16 . chop 32 $ sound (samples s (density 1.5 "0 1"))
               |=| speed ((+1.6) <$> density 2.2 sinewave1)
               |=| pan ((+0.25).(/2) <$> density 4.1 sinewave1)

-- go
solo $ d'misc $ bass2'3
d'perc $ drum5'4
d'shard $ plox'4 "[ice plode]*2"

-- we're back
d'drum $ sound "[k sn k*2 [~ sn] [~ k]]/5"
d'perc $ smash 4 [0.5,0.25] $ iter 3 $ drum5'4

d'bz $ bz'4

d'misc silence
d'shard $ whenmod 7 3 (density (5%4)) $ plox'4 "[ice plode]*2"
d'drum $ sound "[[k k:1]*2 sn k*2 [~ sn] [~ k]]/5"
d'bass $ (0.75 ~>) $ bass'4

-- o yes
msil [d'perc,d'bz,d'shard]
d'bz $ bzox'4 "bz"
d'drum $ sound "[k*2 sn [~ k] sn]/4"
d'bz $ bzox'4 "bz*2"
d'shard $ whenmod 7 3 (density (5%4)) $ plox'4 "[ice wtsn]*2" |=| vowel "u e"
d'bz $ every 3 brak $ bzox'4 "bz*2"

d'perc $ smash 4 [0.5,0.25] $ iter 3 $ drum5'4
d'drum silence
d'drum $ sound "[[k ~ ~ k] sn [~ k] sn]/4"

d'bz $ every 3 brak $ bzox'4 "bz bzl"

msil [d'perc,d'bass,d'shard]
d'bz $ every 2 brak $ bzox'4 "bz*2"

{-
[5]
-}

let perc'5 = sound "~ wt wt wtsn/8"
             |=| shape ((/2) <$> density 1.2 saw1)

let drum'5 = sound "{[~ ~ ~ k:1], [~ sn]/2}"
let drum'5f = overlay k $ drum'5

let bass'5 = chop 16 $ bass'params $ sound (samples "[~ dubb]" (slow 4 "0 1"))
             |=| cut "1"

let bass'5f = every 2 (density 2) $ whenmod 3 2 (density 1.6) $ bass'5
              |=| speed ((+0.75).(/2) <$> slow 1.3 sinewave1)

let fly'5 b = whenmod 5 3 rev $
              (if b then brak else id) $
              slow 16 $ jux ((1.5 ~>).rev) $
              chop 64 $ bass'params $ sound "fly:1"
              |=| speed "0.7"
              |=| shape ((/2) <$> density 2.1 saw1)

let bass2'5 = chop 12 $ sound "[~ ~ [~ k:1] !]/4"
              |=| speed "0.9"

let bass2'5b = whenmod 4 3 (density 1.8) $ bass2'5
               |=| shape ((/3) <$> density 3 sinewave1)
               |=| delay "0.3"
               |=| delayfeedback "0.2"
               |=| delaytime "0.2875" --(138/60)/8

let gnome'5 sm f = smash 64 sm $
                   (|=| speed "1.2").
                   (|=| shape ((/2) <$> ((0.25 ~>) . density 3) sinewave1)).
                   (|=| gain "0.6") $
                   sound "~ gnome"
                   |=| pan (f $ slow 4 sinewave1)

-- go
d'perc $ perc'5
d'drum $ overlay (sound "[[k ~ ~ k] ~ [~ k] ~]/4") $ drum'5
d'ant $ ant'2

-- quickly
d'drum $ drum'5
msil [d'bz,d'ant]
d'drum $ overlay k $ drum'5

-- mm
d'bass $ bass'5
d'fly $ fly'5 False
d'bass $ whenmod 3 2 (density 1.6) $ bass'5
d'fly silence

d'bass $ density 1.6 $ bass'5
d'bass $ every 2 (density 2) $ density 1.6 $ bass'5
d'bz $ bass2'5
d'bz $ whenmod 4 3 (density 1.8) $ bass2'5

d'bass $ every 2 (density 2) $ density 1.6 $ bass'5
  |=| speed ((+0.75).(/2) <$> slow 1.3 sinewave1)

d'bz $ whenmod 4 3 (density 1.8) $ bass2'5
  |=| shape ((/3) <$> density 3 sinewave1)

-- alright
d'shard $ whenmod 5 3 (slow 1.5) $ rev $ stack [
  gnome'5 [0.5,1] id,
  gnome'5 [(1/2.5),1] (0.5 <~)
  ]

d'bass $ within (0.5, 0.75) (|=| vowel "u o") $ every 2 (density 2) $ whenmod 3 2 (density 1.6) $ bass'5
  |=| speed ((+0.75).(/2) <$> slow 1.3 sinewave1)

-- cool off
msil [d'drum,d'bass]
d'drum $ k1
d'bz $ bass2'5b

d'bz $ within (0, 0.5) rev $ bass2'5b

d'fly $ fly'5 True

d'bass $ every 2 (density 2) $ whenmod 3 2 (density 1.6) $ bass'5
  |=| speed ((+0.75).(/2) <$> slow 1.3 sinewave1)

-- woof
d'drum $ overlay k $ drum'5

msil [d'perc,d'bz]
d'shard silence

{-
[6]
-}

let sn'6 = sound "[~ sn ~ sn*2]/8"

let bass'6 = (|=| gain ((*0.7) <$> saw1)) $ bass'5f

let bass2'6 = within (0, 0.5) (slow (7%6)) $
              every 2 (0.5 <~) $ slow 8 $
              bass' 32

let plode'6 = superimpose (slow (5%3) . iter 2) $
              (|=| speed ((+0.7) <$> slow 1.1 sinewave1)) $
              chop 32 $ sound "[plode(5,8)]/8"
              |=| cut "1"

let cymb'6 = sound "[cymb*8 ~]/8"
             |=| gain ((+0.6).(/5) <$> density 3.6 saw1)
             |=| cut "1"

let cymb'6f = density (5%4) $ whenmod 9 4 (density 1.5) $ cymb'6

let drum'6 = sound "{k, [~ ~ ~ k:1] [~ k:1]}"

-- weird
let wtsn'6 = (3 ~>) $ within (0.25, 0.75) rev $
             slowspread ($) [chop 16, chop 32] $ sound "[wtsn(3,8)]/2"
             |=| speed ((+0.8).(/2) <$> density 1.8 sinewave1)

let gnome'6 d = iter 4 $ density (9%8) $
                within (0, 0.5) rev $
                smash 8 [1,2] $ sound "[gnome(3,8)]/2"
                |=| gain "0.8"
                |=| speed ((+0.76).(/d) <$> slow 1.1 sinewave1)

-- go
d'bass $ bass'6
msil [d'drum,d'fly]

d'bz $ bass2'6
d'fly $ plode'6
d'cymb $ cymb'6

d'perc $ wt'2

d'bass silence
d'drum $ drum'6

d'misc $ slow 16 $ bass' 64

d'cymb $ density (5%4) $ whenmod 9 4 (density 1.5) $ cymb'6

d'gnome $ wtsn'6

d'drum $ overlay sn'6 $ drum'6

d'bass $ (0.6 ~>) $ bass'4

msil [d'perc,d'gnome,d'misc]

d'gnome $ gnome'6 5
d'gnome $ gnome'6 3

msil [d'drum,d'fly,d'bz,d'cymb]

d'drum $ sound "[[k k:1]*2 [sn k:1 ~ k] [~ k:1 k ~] [~ sn ~ k]]/8"

d'fly $ fly'5 False

d'cymb $ (0.5 <~) $ cymb'2 "0.7"

d'bz $ bass2'6
d'drum $ overlay sn'6 $ drum'6

msil [d'perc,d'fly,d'bz]

{-
[7]
-}

let shard'7 dt = slow 5 . chop 15 $ sound "ice"
                 |=| gain "0.7"
                 |=| resonance "0.4"
                 |=| cutoff "0.2"
                 |=| delay "0.7"
                 |=| delayfeedback "0.3"
                 |=| delaytime dt

let bass'7 f = slow 8 $ f $
               slowspread ($) [rev.chop 12, rev.chop 24] $
               bass'params $ sound "[dubb dubb:1]/2"

-- shuffle begin/end in middle section
let bass'7'm f = (f . (/2) <$> density (5%4) sinewave1)

let fly'7 = slow (4%3) .
            slowspread ($) [slow 1, density (5%4)] $
            slow 12 $
            slowspread striate [24,36] $ sound "fly:1"
            |=| gain "0.7"

-- go
d'drum $ whenmod 3 2 (slow (4%3)) $ sound "[k*2 [sn ~ ~ wt] k*2 sn [~ k]]/5"
solo $ d'drum $ whenmod 3 2 (slow (4%3)) $ sound "[k*2 [sn ~ ~ wt] k*2 sn [~ k]]/5"
d'drum $ every 3 (density 2) $ within (0, 0.5) (jux ((1%3) ~>)) $ sound "[k [sn ~ k] [~ ~ sn] ~]/8"

d'shard $ shard'7 "0.02"

-- quickly
hush
d'drum $ sound "[k [sn ~ k] [~ ~ sn] ~]/8"

d'perc $ sound "[wt*3 ~]/2"
  |=| shape ((/2) <$> slow 3 saw1)

d'bass $ bass'7 id

d'fly $ fly'7

d'fly $ fly'7
  |=| delay "0.6"
  |=| delayfeedback "0.4"
  |=| delaytime "0.62" --(112/60)/3

d'bz $ rev . chop 12 $ sound "bz/4"
  |=| vowel "o"

msil [d'drum,d'perc]

d'bass $
  (|=| begin (bass'7'm id)) $
  (|=| end (bass'7'm (+0.05))) $
  bass'7 id

d'shard $ shard'7 "0.02"

d'drum $ sound "{[k k]/2, ~ sn}"
d'drum $ sound "{[[k ~ k] k]/2, ~ sn}"

d'shard $ shard'7 "0.76"

msil [d'bass,d'shard]

d'bass $ bass'7 (within (0.33, 0.67) (0.25 ~>))
  |=| vowel "o"

d'bass silence
d'drum $ within (0, 0.5) (jux ((1%3) ~>)) $ sound "[k [sn ~ k] [~ ~ sn] ~]/8"
d'bz silence

{-
[8]
-}

let bz'8 = sound (samples "[[ff bz]*2 [~ bz*2]]/2" $ slow 2 $ run 5)
           |=| begin "0.7"
           |=| end "0.85"
           |=| hcutoff "0.04"
           |=| hresonance "0.1"
           |=| shape ((/5) <$> slow (5%3) sinewave1)

-- go
d'bass $ slow 16 $ bass' 32
d'drum $ within (0, 0.5) (superimpose ((1%3) ~>)) $ sound "[k [sn ~ k] [~ ~ sn] ~]/8"
d'bz $ bz'8 |=| gain "0.8"

d'drum $ sound "[k*2 [sn ~ ~ wt] [~ k] sn [~ k]]/5"
d'drum $ sound "[k [sn ~ ~ wt] [~ k] sn]/4"

d'bass $ slow 16 $ bass' 64

d'ant $ ant'2
d'drum $ sound "[k [sn ~ ~ k] [~ k] sn]/4"
d'misc $ fly'2

d'shard $ bass'5f

d'perc $ sound "{wt/2, [~ wtsn]/8}"

d'cymb $ cymb'6f

d'perc $ snare43'1
d'perc $ whenmod 5 3 rev $ snare43'1
d'perc $ whenmod 5 3 (rev . chop 8) $ snare43'1
d'perc $ overlay fly'1f $ whenmod 5 3 (rev . chop 8) $ snare43'1
d'perc $ overlay fly'1f $ within (0.5, 1) (slow (3%2) . chop 4) $ whenmod 5 3 (rev . chop 8) $ snare43'1

d'drum $ sound "[k [sn ~ ~ k] [~ k*2] sn]/4"

{-
[9]
-}

msil [d'fly,d'bz,d'shard,d'misc,d'ant,d'cymb]

d'misc $ (0.75 ~>) $ bass'4
d'misc $ overlay bass'5f $ (0.75 ~>) $ bass'4
d'drum $ sound "[k*2 [sn ~ ~ k] [k k*2] sn]/4"

d'shard $ whenmod 7 3 (density (5%4)) $ plox'4 "[ice plode]*2"
d'fly $ fly'5 True
d'ant $ bass2'6
d'gnome $ gnome'6 3
d'cymb $ wtsn'6

d'bz $ shard'3f
d'bz $ within (0.5, 1) (density 2) $ shard'3f

msil [d'fly,d'shard,d'bz,d'misc,d'cymb]
d'misc $ (0.75 ~>) $ bass'4
d'cymb $ (2.75 ~>) $ cymb'2 "0.7"
d'bz $ every 3 brak $ bzox'4 "~ bzl"
msil [d'gnome,d'ant]
msil [d'bz,d'cymb]

solo $ d'perc $ within (0.5, 1) (slow (3%2) . chop 4) $ whenmod 5 3 (rev . chop 8) $ snare43'1

hush