Drummer

Midi Sequencer with yes/no/maybe
RED : YES (Always play this note)
YELLOW : MAYBE (Sometimes play this note)

Each time you go through the sequence it will play a fresh beat.
Enjoy!

Mac OS: Download
Send Midi to Logic or GarageBand etc..

Web App : Play Now in Chrome / Opera
(WebMidi plugin)

iOS: Play Now in the WebMidi Browser to connect midi to other iOS Apps