The trombone is a musical instrument in the brass family. Like all brass instruments, sound is produced when the playerâs vibrating lips (embouchure) cause the air column inside the instrument to vibrate.
cameo noun [ C ] (PERFORMANCE) âº a small but noticeable part in a film or play, performed by a famous actor: He appears briefly towards the end of the film in a cameo role as a priest. âº a piece of usually oval jewellery on which there is a head or other shape of one colour on a surface of a different colour: a cameo brooch.
In show business, a guest appearance is the participation of an outsider performer (such as a musician or actor) in an event such as a music record or concert, show, etc., when the performer does not belong to the regular cast, band or other performing group.