Johnny Rebb  Johnny Rebb, born Donald James Delbridge, (20 March 1939 – 28 July 2014) was an Australian singer. Rebb began as a country & western singer and was signed with Leedon Records and was dubbed the "Gentleman of Rock" by disc jockeys of the time. He also replaced Johnny O'Keefe as the MC of "Saturday Rock" while O'Keefe was in the USA. In the 1960s, with the onslaught of rock'n'roll, Rebb began singing in the band The Atlantics and became their lead singer.