diff --git a/maquinitas-tidal.cabal b/maquinitas-tidal.cabal
--- a/maquinitas-tidal.cabal
+++ b/maquinitas-tidal.cabal
@@ -1,5 +1,5 @@
 name:                maquinitas-tidal
-version:             0.2.2
+version:             0.2.3
 synopsis:            library for MIDI control of hardware
 description:         maquinitas is a library for MIDI control of hardware
 homepage:            https://github.com/maquinitas/maquinitas-tidal
diff --git a/src/Korg.hs b/src/Korg.hs
--- a/src/Korg.hs
+++ b/src/Korg.hs
@@ -3,30 +3,26 @@
 
 module Korg where
 
-  volcaBeats :: Num a => String -> a
-  volcaBeats "bd" = 36
-  volcaBeats "sn" = 38
+  import Sound.Tidal.Params
+  import Sound.Tidal.Pattern
 
+  volcaBeats :: Pattern String -> ControlPattern
+  volcaBeats = n . (subtract 60 . volcaBeatsMidiNote <$>)
+
+  volcaBeatsMidiNote :: Num a => String -> a
+  volcaBeatsMidiNote "bd" = 36
+  volcaBeatsMidiNote "sn" = 38
+  volcaBeatsMidiNote "lt" = 43
+  volcaBeatsMidiNote "ht" = 50
+  volcaBeatsMidiNote "ch" = 42
+  volcaBeatsMidiNote "oh" = 46
+  volcaBeatsMidiNote "cp" = 39
+  volcaBeatsMidiNote "cl" = 75
+  volcaBeatsMidiNote "ag" = 67
+  volcaBeatsMidiNote "cr" = 49
+  volcaBeatsMidiNote _ = 0
+
   -- notes
-  bd = 35
-  rs = 37
-  sd = 38
-  cp = 39
-  cy = 40
-  lt = 41
-  chh = 42
-  ohh = 46
-  ht = 47
-  cr = 49
-  rd = 51
-  lc = 52
-  hc = 53
-  ta = 54
-  cb = 56
-  ti = 57
-  ca = 58
-  la = 61
-  wb = 62
-  ha = 63
-  mp = 64
-  mf = 65
+  test0 = 35
+  test1 = 37
+  test2 = 38