(n): any specific behavior
(n): a musical composition for one voice or instrument (with or without accompaniment)
(n): a musical work that has been created
(n): a flight in which the aircraft pilot is unaccompanied
(n): an instance of traveling by air
(v): fly alone, without a co-pilot or passengers
(v): operate an airplane
(v): perform a piece written for a single instrument
(v): give a performance (of something)
(adj): composed or performed by a single voice or instrument
(adj): vs. accompanied) -- (playing or singing without accompaniment
(adv): without anybody else or anything else
