text: Recordings exist of modern didgeridoo players playing continuously for more than 40 minutes ; Mark Atkins on Didgeridoo Concerto ( 1994 ) plays for over 50 minutes continuously .
simplified: There are recordings of modern didgeridoo players playing wihout stopping for more than 40 minutes ; Mark Atkins on Didgeridoo Concerto ( 1994 ) plays for over 50 minutes continuously .