perform a piece or passage of music unaccompanied or as the featured musician

you're in danger of forgetting that you're accompanying rather than soloing

fly an aircraft unaccompanied

she had been flying for twelve years and had soloed on her seventeenth birthday

a piece or passage of vocal or instrumental music for one performer

a blistering guitar solo

the opening bassoon solo is relatively bland

an unaccompanied flight by a pilot in an aircraft

his first ride in his aircraft would also be his first solo

a card game resembling whist in which the players make bids and the highest bidder plays against the others in an attempt to win a specified number of tricks

a motorbike without a sidecar

50 races—solos and sidecars—should make for a thrilling showdown