Marshall Tucker Band

"The band looks forward to seeing the great fans who have stood behind the MTB since forever," says longtime singer Doug Gray.

Straddling the middle ground between two popular genres, these bands and singer-songwriters take it to the limit.

The singer cofounded the group in 1972 and has been its sole original member since 1996.

Coheadlining summer run also includes Jefferson Starship.

First released in 1973, the song could get no further than No. 108 on the Billboard chart.

Blind pianist gave group their name via his warehouse keychain.

The bassist's death didn't end the group, but it changed things forever – in particular for his older brother Toy Caldwell.