After canceling a Saturday appearance reportedly due to breathing problems, Willie Nelson is back at it. The story is somewhat muddled. According to MSN:

The host of the (Saturday show), Fred Bartlit, told The Denver Post that he was informed that Nelson was taken to the hospital after having trouble breathing. But (Nelson representative) Elaine Shock said Monday that Nelson was not hospitalized and no other concerts will be canceled. His next performance is scheduled for Tuesday in Dallas.


Right here.