Assertion: hip hop's style | /r/HasProperty | replaced by synth keyboard basslines
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Electronic drum machines such as the Roland TR-808, Linn LM-1, and Oberheim DMX began to replace the "funky drummers" of the past, and the slap and pop style of bass playing were often replaced by synth keyboard basslines.