Starkey, the son of Beatles’ drummer Ringo Starr, was the drummer for The Who since 1996’s Quadrophenia tour, is apparently no longer in the band following a disagreement that occurred during their show last month at Royal Albert Hall.

PEOPLE can confirm that the drummer, 59, who is the son of The Beatles drummer Sir Ringo Starr and his first wife Maureen Starkey, has parted ways with the rock band after nearly

According to insiders who spoke to the publication, Zak is deeply unhappy with the decision."It's a little acrimonious to say the least," they said. It is alleged that questions were raised about Zak's drumming at the March shows,