Complex sentence: Unlike Mick Jagger, Keith Richards, and Brian Jones (then Mick Taylor and Ron Wood), he rarely moved or smiled during performances, instead choosing to stand stoned faced, holding his bass almost vertically.
Split into simpler sentences: Unlike Mick Jagger, Keith Richards, and Brian Jones (then Mick Taylor and Ron Wood), he rarely moved during performances. He rarely smiled, choosing to stand stoned faced, holding his bass almost vertically.