diff --git a/lib-parvagues/src/Sound/Tidal/ParVagues/Control.tidal b/lib-parvagues/src/Sound/Tidal/ParVagues/Control.tidal
index 17d5678..3e8f682 100644
--- a/lib-parvagues/src/Sound/Tidal/ParVagues/Control.tidal
+++ b/lib-parvagues/src/Sound/Tidal/ParVagues/Control.tidal
@@ -3,6 +3,7 @@
   midiOn    ch    pat = someCyclesBy ch             pat
   midiOff   ch    pat = someCyclesBy (1 - ch)       pat
   midiNo    c1 c2 pat = someCyclesBy (1 - c1 - c2)  pat
+  midiBoth  c1 c2 pat = someCyclesBy (c1 + c2 - 1)  pat
   -- Parameterized DJF
   _LPF lMin lMax ch = (# lpf (min lMax ((range lMin ((lMax*2) - lMin) ch))))
   _HPF hMin hMax ch = (# hpf (max hMin (min hMax (range (hMin - hMax) (hMax - hMin) ch))))