diff --git a/Sound/Tidal/VolcaBeats.hs b/Sound/Tidal/VolcaBeats.hs
--- a/Sound/Tidal/VolcaBeats.hs
+++ b/Sound/Tidal/VolcaBeats.hs
@@ -56,7 +56,7 @@
 dt = makeF oscBeats "tomDecay"
 dch = makeF oscBeats "clHatDecay"
 doh = makeF oscBeats "opHatDecay"
-dhg = makeF oscBeats "hatGrain"
+hg = makeF oscBeats "hatGrain"
 
 noteN :: String -> Int
 noteN "bd"  = 36
diff --git a/tidal-midi.cabal b/tidal-midi.cabal
--- a/tidal-midi.cabal
+++ b/tidal-midi.cabal
@@ -1,5 +1,5 @@
 name:                tidal-midi
-version:             0.1
+version:             0.6
 synopsis:            MIDI support for tidal
 -- description:
 homepage:            http://tidal.lurk.org/
@@ -29,4 +29,4 @@
                    Sound.Tidal.Synthino
                    Sound.Tidal.MBase01
 
-  Build-depends: base < 5, tidal, PortMidi, process, hashable, containers, hosc, time, bytestring
+  Build-depends: base < 5, tidal <= 0.6, PortMidi == 0.1.5.2, process, hashable, containers, hosc, time, bytestring