"Jerry Mercer"@en . "2009Z"^^ . . . . "Gerald \"Jerry\" Mercer (born April 27, 1939 in Newfoundland) is a Canadian rock drummer, best known for his work with the groups Mashmakhan and April Wine."@en . "1939-04-27Z"^^ . "1957Z"^^ . "1939Z"^^ . . . "Canadian musician" . . "non_vocal_instrumentalist" . . . . . . . . "Mercer, Jerry"@en . .