Lester Flatt needed one lick to become the most imitated and (best) bluegrass rhythm guitar player of all time. Along with his lick, here are a few other aspects of Lester’s playing that made him so great - - Dynamic sensibility. Lester new exactly when to push or restrain his dynamics. You’ll hear how his volume will reduce when he is singing, and then raise his volume to fill out the gaps in his vocal phrasing. He will also tend to push his volume at the start of and during instrumental breaks