<Tr> <Th> Years active </Th> <Td> 1978--present </Td> </Tr> <Tr> <Th> Labels </Th> <Td> Atlantic </Td> </Tr> <P> 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 their debut as the musical guest on the April 22, 1978, episode of Saturday Night Live, opening the show performing "Soul Man", and later "Hey Bartender". </P> <P> The band began to take on a life beyond the confines of the television screen, releasing an album, Briefcase Full of Blues, in November of 1978, as well as opening for the Grateful Dead on December 31st, 1978 for the closing of Winterland Arena in San Francisco, and then having a Hollywood film, The Blues Brothers, created around its characters in 1980 . </P>

What are the names of the blues brothers