And mess with your body like the bass and the cello

from Tyler The Creator – Sarah Lyrics on Rap Genius

You ‘finger’ the strings when you play a bass, or a cello

The double bass and the cello are also instruments that require playing from the back because of their larger bodies

There are a bunch of sexual innuendos here. Playing pizzicato (with fingers), playing arco (with bow), f-holes, etc.

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