Jimmy Fallon gave a lengthy breakdown about the band before they hit the 'Tonight Show' stage after Marcus Mumford called him out for his brief intro at the 'SNL 50' concert.

Marcus Mumford, lead singer of the band Mumford & Sons, would like a little more respect from late night host Jimmy Fallon. Mumford appeared on Tuesday’s episode of “The Tonight Show Starring ...

The Tonight Show debuted in 1954 as Tonight and was hosted by Steve Allen until 1957. Jack Parr took over until 1962, followed by Johnny Carson until his retirement in 1992.