Progg a contraction of the Swedish word for progressive music (progressiv musik) was a left-wing and anti-commercial musical movement in Sweden that had its roots in the late 1960s and its golden age in the 1970s. It should not be confused with the English expression progressive music or progressive rock. Progg is not a genre.
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instrument
Bass guitar, Drum kit, Electric guitar, Percussion instrument, Keyboard instrument
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