Ratsia is a punk band founded 1978 in Pihtipudas, Finland. The band was founded by Jyri Honkavaara (vocals), Juha Aunola (guitar), Rudi Lukkarinen (bass) and PopKorni (real name Jukka Viro), who played the drums. Their most famous song is “Lontoon Skidit”, the single of which was the first recording the Johanna record company released.

Source: http://superfm.com.pl/biography/ratsia/