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. O'Hooley & Tidow

    O'Hooley & Tidow

  3. Oasis UK

    Oasis UK

  4. Oathbreaker

    Oathbreaker

  5. Oaysis

    Oaysis

  6. Obliterations

    Obliterations

  7. Oblivionized

    Oblivionized

  8. OBN III's

    OBN III's

  9. Ocasan

    Ocasan

  10. OCD

    OCD

  11. Oceaan

    Oceaan

  12. Oceano

    Oceano

  13. Oddisee

    Oddisee

    Oddisee, Born Amir Mohamed is a MC/ producer currently signed by Mello Music Group splitting his time between Brooklyn, Washington DC and London. He was born in Washington DC and raised i...

  14. ODESZA

    ODESZA

  15. Odyssey

    Odyssey

  16. Odyssey the Band

    Odyssey the Band

  17. Of Empires

    Of Empires

  18. Of Monsters and Men

    Of Monsters and Men

  19. 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...

  20. Off With Their Heads

    Off With Their Heads

  21. The Offspring

    The Offspring

    The Offspring is an American punk rock band from Huntington Beach, California, formed in 1984, that was widely credited, alongside fellow California pop punk bands Sublime, Green Day and ...

  22. Oh Land

    Oh Land

    Nanna Ã[]land Fabricius (born 2 May 1985), better known by her stage name Oh Land, is a Danish singer-songwriter and record producer. She lives in Brooklyn, New York City.

  23. Oh Wonder

    Oh Wonder

  24. Oi Polloi

    Oi Polloi

    Oi Polloi are an anarcho-punk band from Scotland that formed around 1981. Starting as an Oi! band, they are generally associated more with the anarcho-punk genre. More recently the band h...

  25. Ol Drake

    Ol Drake

  26. Olanza

    Olanza

  27. Oli Brown

    Oli Brown

  28. Oli Brown Band

    Oli Brown Band

  29. Oliver Daldry

    Oliver Daldry

  30. Oliver Dollar

    Oliver Dollar

  31. Oliver Heldens

    Oliver Heldens

  32. Oliver/Dawson Saxon

    Oliver/Dawson Saxon

  33. Olivia Anna Livki

    Olivia Anna Livki

  34. Olivia Devine

    Olivia Devine

  35. Olly Murs

    Olly Murs

    Oliver Stanley "Olly" Murs (born 14 May 1984 in Witham, Essex) is a British singer-songwriter, musician and TV presenter. Murs rose to fame after being the runner-up on the sixth series o...

  36. Om Unit

    Om Unit

  37. Omar Souleyman

    Omar Souleyman

    Omar Souleyman is an Arab musician from Ra's al-'Ayn, Syria, in the north eastern region of Syria. He began his career in 1994, working with a number of musicians with whom he still perfo...

  38. 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...

  39. The One Hundred

    The One Hundred

  40. The One Hundred

    The One Hundred

  41. One Machine

    One Machine

  42. One Nation

    One Nation

  43. Oneman

    Oneman

  44. 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...

  45. 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.

  46. The Only Ones

    The Only Ones

    The Only Ones are an English rock band. They were initially active in the late 1970s and were associated with punk rock, yet straddled the musical territory in between punk, power pop and...

  47. Only Rivals

    Only Rivals

  48. Only The Young

    Only The Young

  49. 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...

  50. OPM

    OPM

    OPM is a Southern California based ska punk band. OPM has a distinctive sound, combining hip hop, rock music, and pop with laid-back reggae.

  51. Optimo

    Optimo

  52. 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...

  53. 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 ...

  54. Orchard Hill

    Orchard Hill

  55. Orden Ogan

    Orden Ogan

  56. The Orielles

    The Orielles

  57. Orlando Julius

    Orlando Julius

  58. Orphan Boy

    Orphan Boy

  59. Osca

    Osca

  60. Oscar

    Oscar

  61. The Osmonds

    The Osmonds

    The Osmonds are an American family music group with a long and varied careera[][]a career that took them from singing barbershop music as children, to achieving success as teen-music idol...

  62. Osunlade

    Osunlade

    Osunlade (born March 13, 1969) is an American-born musician and music producer.

  63. Otis Gibbs

    Otis Gibbs

  64. Otis Grand

    Otis Grand

    Otis Grand (born February 14, 1950, Beirut, Lebanon) is an American blues musician, best known for his album, Perfume and Grime (1996).

  65. Otis Grand & The Dance Kings

    Otis Grand & The Dance Kings

  66. Otis Redding III

    Otis Redding III

  67. Ought

    Ought

  68. The Outcast Band

    The Outcast Band

    The Outcast Band are a high-energy roots-rock band from Stroud, Gloucestershire. The band have played over 500 shows to audiences from London to Berlin, at festivals including Glastonbury...

  69. The Outcasts

    The Outcasts

  70. Outfit

    Outfit

  71. Outfit

    Outfit

  72. Overkill

    Overkill

    Overkill is an American thrash metal band, formed in 1980 in New Jersey. They have gone through many line-up changes, with singer Bobby "Blitz" Ellsworth and bassist D.D. Verni remaining ...

  73. 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...

  74. 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....

  75. Owen Paul

    Owen Paul

  76. Owl and Mouse

    Owl and Mouse

  77. Oxygen Thief

    Oxygen Thief

  78. 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...

  79. Ozzborn

    Ozzborn