Music
Articles about music, composers, genres and performances.
O Holy Night
O Holy Night — origin, music, and cultural impact
O Tannenbaum
O Tannenbaum (O Christmas Tree): German carol and cultural history
Ö3 Austria Top 40
Oasis (band)
Oasis (English rock band)
Oasis discography
Oasis discography and release history
Oboe
Ocarina
Ocarina: the vessel flute — design, history and uses
Octave
Octet
Octobass
Octobass (octobasse) — the giant orchestral bass
Of a Revolution
Oh! Susanna
Ohio Is for Lovers
Ohio Players
OK Go
Old New Borrowed and Blue
Old New Borrowed and Blue — Slade (1974 album)
Old World Underground, Where Are You Now?
Old World Underground, Where Are You Now? (Metric album)
Old-school hip hop
Old-school hip hop: the early recorded era of hip hop culture
On My Level
On My Level — song by Wiz Khalifa featuring Too $hort
On the 6
On the 6 — Jennifer Lopez's debut album
On the Floor
Once Sent from the Golden Hall
One (U2 song)
One Direction
One Direction (1D): British–Irish pop group formed on The X Factor
One Hot Minute
One Hot Minute (Red Hot Chili Peppers album)
One More Minute
One More Night
One More Time
One Night Only
One Night Only (song)
One Step Closer
One Sweet Day
OneRepublic
OneRepublic — American pop rock band
Only Girl (In the World)
Only Girl (In the World) — song by Rihanna
Ooooooohhh... On the TLC Tip
Opening act
Opera buffa
Opera buffa: the Italian comic opera of the 18th century
Opera seria
Operation Ground and Pound
Operation Ground and Pound — DragonForce song from Inhuman Rampage
Opeth
Opeth (Swedish progressive metal band)
Opus number
Oratorio
Oratorio: form, history, structure, and notable works
Orchestra
Orchestra: structure, history, repertoire, and common distinctions
Orchestration
Orchestration (music): craft, instruments, history, and techniques
Ordinary Love (U2 song)
Organ (music)
Organ (musical instrument)
Orgy (band)
Origin of Symmetry
Origin of Symmetry (Muse album)
Origins of the blues
Origins of the Blues: Roots, Development, and Musical Characteristics