The multi talented Hart is known as an industrious figure on the British Rock scene having fulfilled roles as producer, singer, songwriter, manager and British music ambassador internationally. Originally a member of THE ROLL UPS who had released a single, 'Blackmail', on the Bridgehouse label in 1979 and an album entitled 'Low Dives For High Balls' the same year. Vocalist Lea Hart supported JUDAS PRIEST on their 1979 'Killing Machine' British tour with the group that boasted a line-up of bassist Jeff Peters