Xianbei (鮮卑 pinyin xian1 bei1), can also be written as Hsien-Pi (Wade-Giles) and other variations with an hyphen or space between the two syllables of any of the two transliterations, was a significant tribe residing in today Manchuria and eastern portion of Mongolia before migrating into areas of today provinces of Shanxi, Shaanxi, Gansu, Qinghai, Hebei, Inner Mongolia and Liaoning.
... Bob (usually referred to as "Bobby"), the youngest member of the group, played rhythm guitar. Pigpen played keyboards, harmonica and, was an inspirational vocalis ...