Martti Vainaa & Sallitut aineet is a Finnish pop-group that was formed in 2001. It was started as a trio, but in 2005 it had five members. In beginning of the carrier the band made covers, but made own lyrics to them and some adjustments. In its actual format, the group started to make own songs. In 2005 the band made success with its song Pelimies (Player) and reached the first place at the Finnish single list during the summer of 2005. The song became a summer hit in Finland in 2005. The song was originally made as a supporter song for the Floorball team Happee.