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In page Rickenbacker:

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In the 1970s, the Rickenbacker bass became a staple of progressive rock, as exemplified by British bassists Mike Rutherford (Genesis) and Chris Squire (Yes).[citation needed] Squire was one of the first to run a Rickenbacker in stereo by splitting the signal, sending the signal through both a guitar amp and a bass amp.[1] Combined with his aggressive picking technique on Rotosound roundwound strings, the effect was a growling, grinding, "concrete mixer" tone that continues to be admired and emulated.[citation needed]