Luboš Andršt was a Czech jazz fusion, rock, and blues guitarist, composer, producer, and guitar teacher. Known primarily for his electric rock-influenced guitar playing, he frequently played acoustic guitar on jazz fusion recordings in the 1970s. Since the late 1990s, he was best known as a key figure in the Czech blues and blues rock scene with his Luboš Andršt Blues Band, and shared the stage with a number of American blues musicians, including B.B. King.

Jan Hrubý is a Czech rock violinist known primarily for playing with the bands Etc..., Framus Five, and Kukulín.