The slap and pop methodology, or "thumbstyle", most associated with funk , uses tones and percussive sounds achieved by putting, thumping, or "slapping" a string with the thumb and snapping (or "popping") a string or strings with the index or center fingers. Bassists usually interpolate left hand-muted " ghost notes " between the slaps and pops to achieve a fast percussive effect, and after a note is...