Baku, May 18, AZERTAC Sir Paul McCartney has become the first UK musician to become a billionaire, BBC reports citing the Sunday Times Rich List. The former Beatle, 81, boosted his wealth by £50m in the past year with touring, the lucrative value of his back catalogue and Beyoncé's cover of the classic track he wrote in 1968, Blackbird, helping him achieve the status.Gopi Hinduja and his family were crowned the richest people in the UK again, with their wealth hitting £37.2bn, the largest fortune ever recorded by the newspaper.Sir Elton John, Lord Lloyd-Webber and David and Victoria Beckham were among some of the well-known names on the list, which has minimum wealth entry of £350m.This year’s list of 350 individuals and families together held a combined wealth of £795.3bn, which the Sunday Times said was a larger sum than Poland's economy.