There are at least two bands by this name. Perfect is a Polish rock band formed in 1977 by Wojciech Morawski, Zdzisław Zawadzki and Zbigniew Hołdys. They released the albums, Perfect, Live, UNU before disbanding in 1983. The group had brief reunions over the years before reuniting in 1993 and going on to release Jestem, Geny, Śmigło, Perfect Symfonicznie and Schody.
Perfect is the band formerly known as Bitch Prefect