Come up with a question and reasoning that would justify this answer: lead vocalist '' Joliet '' Jake Blues and harmonica player / vocalist Elwood Blues
The question is: The Blues Brothers are an American blues and soul revivalist band which was founded in 1978 by comedy actors Dan Aykroyd and John Belushi as part of a musical sketch on Saturday Night Live. Belushi and Aykroyd, respectively in character as lead vocalist "Joliet" Jake Blues and harmonica player / vocalist Elwood Blues, fronted the band, which was composed of well-known and respected musicians. The band made its debut as the musical guest on the April 22, 1978, episode of Saturday Night Live, performing "Hey Bartender."

Answer this question based on the passage: what's the name of the blues brothers?
Step-by-step reasoning process: The important part for answering this question is: Belushi and Aykroyd, respectively in character as lead vocalist "Joliet" Jake Blues and harmonica player / vocalist Elwood Blues, fronted the band, which was composed of well-known and respected musicians.