Meaning of TRACK in English

(MUSIC) [noun] [C] - one of several songs or pieces of music on a CD or other musical recordingThe album includes four previously unreleased tracks.The band ended their concert with the title track from their latest album.See also soundtrack.A track is also a part of a magnetic strip onto which sound can be recorded. There are several tracks on one magnetic strip.When a piece of music is recorded, each instrument is recorded separately on a 24- or 48-track tape.Singers on television often mime to pre-recorded backing tracks.

Cambridge English vocab.      Кембриджский английский словарь.