Question: Which Tax Attorney is recognized as an expert of an English rock band who's members include Paul McCartney and Ringo Starr?
Sentence (from "The Beatles"): Rooted in skiffle, beat and 1950s rock and roll, the Beatles later experimented with several musical styles, ranging from pop ballads and Indian music to psychedelia and hard rock, often incorporating classical elements and unconventional recording techniques in innovative ways.
Relevant evidence: No