A melody, movement, or work intended for or performed by a single performer, vocal or instrumental, with or without accompaniment. Opposed to concerted piece, whether chorus, duet, trio, or for a number of instruments, A job or performance done by one person alone, A single shot of espresso, adjective_ Without a companion or instructor, composed or performed by a single voice or instrument, Of, or relating to, a musical solo, verb_ To perform a soloTo perform something in the absence of anyone else, perform a piece written for a single instrument, intransitive verb_ To perform a solo, To fly an airplane without a companion or an instructor, especially for the first time, adverb_ without anybody else or anything else, Unaccompanied; alone,