1. O Rappa

    O Rappa

    O Rappa (Pronounced "U Hah-pah") is a Brazilian reggae/rock band from Rio de Janeiro, Brazil. They combine many styles such as rock, reggae, funk, hip hop and samba. O Rappa's songs conta...

  2. The O'Jays

    The O'Jays

    The O'Jays are an American R&B group from Canton, Ohio, formed in 1963 and originally consisting of Eddie Levert (born June 16, 1942), Walter Williams (born August 25, 1942), William Powe...

  3. Oakhaart

    Oakhaart

  4. Oasis UK

    Oasis UK

  5. Oathbreaker

    Oathbreaker

  6. Obey the Brave

    Obey The Brave

  7. Obituary

    Obituary

    Obituary is an American death metal band formed in 1984 in Tampa, Florida under the name Executioner, then changed the name's spelling to Xecutioner, and later changed their name to Obitu...

  8. Oblivionized

    Oblivionized

  9. The Ocean

    The Ocean

  10. Ocean Colour Scene

    Ocean Colour Scene

    Ocean Colour Scene (often abbreviated to OCS) are an English Britpop band formed in Moseley, Birmingham in 1989. They have had five Top 10 albums and six Top 10 singles to date.

  11. October

    October

  12. Of Mice & Men

    Of Mice & Men

  13. of Montreal

    Of Montreal

    of Montreal is an American rock band from Athens, Georgia. It was founded by frontman Kevin Barnes in 1996, named after a failed romance with a woman "of Montreal." The band is one of the...

  14. OFF!

    Off!

  15. Officer Down

    Officer Down

  16. OFWGKTA

    OFWGKTA

  17. Oh So Quiet

    Oh So Quiet

  18. Okkultokrati

    Okkultokrati

  19. Olafur Arnalds

    Olafur Arnalds

  20. Old Crow Medicine Show

    Old Crow Medicine Show

    Old Crow Medicine Show is an old-time string band based in Nashville, Tennessee. Their music has been called bluegrass, Americana, and alt-country, in addition to old-time. Along with ori...

  21. The Old Dance School

    The Old Dance School

  22. The Old Firm Casuals

    The Old Firm Casuals

  23. Oliver $

    Oliver $

  24. Oliver Heldens

    Oliver Heldens

  25. Oliver Wilde

    Oliver Wilde

  26. Om Unit

    Om Unit

  27. Omar

    Omar

  28. Omnia

    Omnia

  29. One Direction

    One Direction

    One Direction are a British-Irish boy band, consisting of members Niall Horan, Zayn Malik, Liam Payne, Harry Styles and Louis Tomlinson. They finished third on the seventh series of The X...

  30. The One Hundred

    The One Hundred

  31. One Step Behind

    One Step Behind

  32. One Unique Signal

    One Unique Signal

  33. One Way System

    One Way System

    One Way System is a street punk band formed in the Fleetwood area of Lancashire, England in 1979.

  34. OneRepublic

    OneRepublic

    OneRepublic is an American pop rock band from Colorado Springs, Colorado. Formed in 2002 by Ryan Tedder and Zach Filkins, the band achieved massive success on MySpace, becoming the most p...

  35. Only Boys Aloud

    Only Boys Aloud

  36. Only Men Aloud

    Only Men Aloud

    Only Men Aloud! is a male voice choir from Wales. The choir came to national prominence in the UK when they won the Last Choir Standing competition run by BBC television during 2008.

  37. Only Rivals

    Only Rivals

  38. Only Rivals

    Only Rivals

  39. Onra

    Onra

    Arnaud Bernard, better known by his stage name Onra is a French hip hop beatmaker based in Paris.

  40. Onslaught

    Onslaught

  41. Open Mind

    Open Mind

  42. Opeth

    Opeth

    Opeth is a Swedish heavy metal band from Stockholm, formed in 1990. Though the group has been through several personnel changes, singer, guitarist, and songwriter Mikael Ã[]kerfeldt has r...

  43. Optimo

    Optimo

  44. Orange Goblin

    Orange Goblin

    Orange Goblin are a stoner metal band from the United Kingdom that formed in 1995. The band''s lineup currently consists of singer Ben Ward, guitarist Joe Hoare, bassist Martyn Millard, a...

  45. Oranssi Pazuzu

    Oranssi Pazuzu

  46. The Orb

    The Orb

    The Orb are an English electronic music group known for spawning the genre of ambient house. Founded in 1988 by Alex Paterson and KLF member Jimmy Cauty, The Orb began as ambient and dub ...

  47. Orchestre Poly-Rythmo De Cotonou

    Orchestre Poly-Rythmo De Cotonou

    Orchestre Poly Rythmo de Cotonou are a band from Benin, which plays Afrobeat, Funk, Soukous and other styles, often based on Vodun ryhtmns. Active since the late 1960s, and having recorde...

  48. The Ordinary Boys

    The Ordinary Boys

    The Ordinary Boys are an English indie rock band from Worthing, in West Sussex, England. Originally named Next in Line, they were influenced by mod revival and Britpop music, as well as t...

  49. Orgy

    Orgy

    Orgy is an American electronic rock band formed in 1996, from Los Angeles, California. Orgy described their music as "death pop".

  50. Orient Machine

    Orient Machine

  51. Origamibiro

    Origamibiro

  52. Origin

    Origin

  53. Original Sin

    Original Sin

  54. Orjan Nilsen

    Orjan Nilsen

  55. Orphan Boy

    Orphan Boy

  56. Orphaned Land

    Orphaned Land

    Orphaned Land is an Israeli progressive metal band, formed in 1991, that combines Death/doom, Jewish and Arabic influences.

  57. Osaka Monaurail

    Osaka Monaurail

  58. Other Lives

    Other Lives

    Other Lives are an American indie rock band from Stillwater, Oklahoma. The band originally formed in 2004 as Kunek and released one album in 2006 under that name. Other Lives' self-title...

  59. The Other Tribe

    The Other Tribe

  60. The Others

    The Others

    The Others are an English rock band, signed to Poptones in July 2004 and their eponymous debut album was released on 31 January 2005.

  61. Otis Gibbs

    Otis Gibbs

  62. Otis Redding

    Otis Redding

    Otis Ray Redding, Jr. (September 9, 1941 â[][] December 10, 1967) was an American soul singer-songwriter, record producer, arranger, and talent scout. He is considered one of the major fi...

  63. Ought

    Ought

  64. OutKast

    Outkast

    Outkast (stylized as OutKast) is an American hip hop duo based in East Point, Georgia, consisting of Atlanta native André "André 3000" Benjamin (formerly known as Dré) and Savannah, Ge...

  65. The Overtones

    The Overtones

    The Overtones are a five-piece British-Irish doo-wop boy band from London, formed in 2010. They were discovered by a Warner Brothers talent scout while working as decorators in a shop nea...

  66. Owen Pallett

    Owen Pallett

    Michael James Owen Pallett (born September 7, 1979 Toronto) is a Canadian composer, violinist, keyboardist, and vocalist. He won the 2006 Polaris Music Prize for the album He Poos Clouds....

  67. Owls

    Owls

  68. Oysterband

    Oysterband

    Oysterband (originally The Oyster Band) is an English electric folk or folk rock band formed in Canterbury in or around 1976.

  69. Ozric Tentacles

    Ozric Tentacles

    Ozric Tentacles (also known as The Ozrics) are an instrumental rock band from Somerset, England, whose music can loosely be described as psychedelic or space rock. Formed in 1983, the ban...