Hofmann, Siegfried. <br/><br/>
Rhythmical Grooves and Patterns :  for drum-computer, rhythm composer, acoustic and electronic drums and percussion / 
Siegfried Hofmann. 
 - Bonn :  Voggenreiter,  1988. 
 - 134 p. :  ill., music ;  30 cm. 
<br/><br/><label>ISBN: </label>3802401743 
<br/><br/><label>Subjects--Index Terms: </label>Drum machine. Percussion music. Instruction and study. 
<br/><br/><label>LC Class. No.: </label>MT724.5  / H6 1988 
<br/><br/><label>Dewey Class. No.: </label>786.91224 SIE