Question: Which musician, Edwyn Collins or Jimmie Ross, played the bass guitar?
Related documents: [0]  [DOC] Edwyn Stephen Collins (born 23 August 1959) is a Scottish musician, producer and record label owner from Edinburgh, Scotland. Collins was the lead singer for the 1980s post-punk band Orange Juice, which he co-founded. Following the group's split in 1985, Collins started a solo career. His 1994 single "A Girl Like You" was a worldwide hit. [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: 
Jimmie Ross
Jimmie Ross