Simplify the following text for a Grade 10 native English-speaking person.
Original: Gary Lee Weinrib , OC , better known as Geddy Lee ( born July 29 , 1953 ) , is a Canadian musician , best known as the lead vocalist , bassist , and keyboardist for the Canadian rock group Rush .
Simplified: Geddy Lee ( born Gary Lee Weinrib on July 29 , 1953 in Toronto , Ontario ) is the Canadian bass guitarist , singer , and synth player of the rock band Rush .