Question:  Randolph Peter "Pete" Best has been referred to as an informal title with claims first appeared in the press immediately upon the band's rise to what?
Sentence (from "Pete Best"): Randolph Peter "Pete" Best (born Randolph Peter Scanland, 24 November 1941) is an English musician, principally known as an original member and first drummer of the Beatles, from 1960 to 1962.
Relevant evidence: Yes