Question: What do Jimmie Ross and Jas Mann have in common?
Related documents: [0]  [DOC] Jasbinder Singh "Jas" Mann (born 24 April 1971) is a British songwriter, musician, singer, record producer and film producer. He was lead singer of Babylon Zoo, known for their 1996 single "Spaceman" and top five album "Boy with the X-ray Eyes". He has produced/distributed over 20 features films, including the BAFTA winning documentary "The Imposter" and was executive producer of Simon Pegg's "Fantastic Fear of Everything". [END] 
[1]  [DOC] Jimmie Ross is an American rock guitarist and vocalist who is best known for being a member of Pittsburgh band the Jaggerz, known for their 1970 hit "The Rapper". During the band's initial existence of 1965-1976, the bassist shared the duties of lead vocalist with guitarist Donnie Iris. By the time the Jaggerz regrouped in 1989, Iris was well into his solo career, and Ross became the sole lead vocalist and remained bassist. He continues to hold both positions today. [END] 
Answer: 
singer
singer