Answer: soloact

AnswerCrossword Clue
SOLOACT

Performance by one

SOLOACT

Ozzy Osbourne became one in 1979

SOLOACT

Partnerless performance

SOLOACT
One-man band, e.g.
SOLOACT
Stand-up routine, usually
SOLOACTStand-up routine, typically
SOLOACTEx-band member, maybe
SOLOACTHelpless performance?
SOLOACTBeyonce became one in 2003
SOLOACTSomething David Copperfield has that Penn and Teller don't