Keyboard sampler
Start and stop
  - A - record
 
  - S - start
 
  - D - stop
 
  - Q to E - change pitch
 
Loop length and tempo
  - Z to B - loop length: quick change
 
  - N - decrease loop length
 
  - M - increase loop length
 
  - P - increase tempo
 
  - L - decrease tempo
 
Reverb and delay
  - Y - reset
 
  - R - increase reverb time
 
  - F - decrease reverb time
 
  - T - increase reverb decay rate
 
  - G - decrease reverb rate
 
  - U - increase delay time
 
  - J - decrease delay time
 
  - I - increase delay feedback
 
  - K - decrease delay feedback