Prúdy.

Prúdy is a rock band formed in Bratislava, Slovakia in 1963. Zvonky Zvoňte (Ring Bells, Ring) by Prúdy (Currents or Streams) was a milestone in Slovak rock music. Scented Gardens of the Mind called Prúdy's album "a Slovak response to Sgt. Pepper, an album full of charming pop son…