CD
noun
ˌsiː ˈdiː 
ˌsiː ˈdiː the abbreviation for ‘compact disc’ (a small disc on which sound or information is recorded. CDs are played on a special machine called a CD player)
His albums are available on CD and online.
Usage note: MusicListeninglisten to/enjoy/love/be into music/classical music/jazz/pop/hip-hop, etc.listen to the radio/an MP3 player/a CDput on/play a CD/a song/some musicturn down/up the music/radio/volume/bassgo to a concert/festival/gig/performance/recitalcopy/burn/rip music/a CD/a DVDdownload music/an album/a song/a demo/a videoPlayingplay a musical instrument/the piano/percussion/a note/a riff/the melody/a concerto/a duet/by earsing an anthem/a ballad/a solo/an aria/the blues/in a choir/soprano/alto/tenor/bass/out of tunehum a tune/a theme tune/a lullabyaccompany a singer/choirstrum a chord/guitarPerformingform/start/get together/join/quit/leave a bandgive a performance/concert/recitaldo a concert/recital/gigplay a concert/gig/festival/venueperform (British English) at/in a concert/(especially North American English) a concertappear at a festival/livego on/embark on a (world) tourRecordingwrite/compose music/a ballad/a melody/a tune/a song/a theme song/an opera/a symphonyland/get/sign a record dealbe signed to/be dropped by a record companyrecord/release/put out an album/a single/a CDbe top of/top the chartsget to/go straight to/go straight in at/enter the charts at number one