The Blues Brothers

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 fronted the band, respectively in character as lead vocalist ``Joliet'' Jake Blues and harmonica player/vocalist Elwood Blues. The band was composed of well-known and respected musicians, and debuted as the musical guest on the April 22, 1978, episode of Saturday Night Live, opening the show performing ``Hey Bartender'', and later ``Soul Man''.

Question: is the blues brothers based on a true story
Answer: no