Jonas Petter Berggren (born 21 March 1967) is a Swedish musician and singer-songwriter and record producer, also known as Joker. He started writing songs when he was seven, and continues to write for the Swedish band Ace of Base, which he is a founding member of, as well as other bands. He was born in Gothenburg, Sweden.
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Ace of Base
Swedish pop group
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Ace Frehley
American musician best known as the former lead guitarist and founding member of the rock band Kiss
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Russ Ballard
British musician
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Bathory
Swedish metal band
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Knut Værnes
jazz guitarist
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Ulf Wakenius
Swedish musician
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Shotgun Messiah
Swedish sleaze metal band
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Eric Andersen
American singer-songwriter
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Mattias Eklundh
Swedish musician
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Spawn of Possession
band
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Don Covay
American musician
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Astral Doors
band
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Ace Wilder
Swedish female singer
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Ulf Lundell
Swedish rock singer, songwriter and writer