"Focus" was a Dutch progressive rock band of the 1970s. It was founded by classically trained organist/flautist Thijs van Leer in 1969.
Dutch band Focus originally comprised pianist and flautist Thijs van Leer, guitarist Jan Akkerman (who joined the band in 1970), Cyriel Havermans on bass and Pierre van der Linden on drums. In 1971 the group released their pivotal second album, Moving Waves, which received international acclaim.
The band's biggest international hits were the guitar-based instrumental 'Sylvia' and the band's signature piece, the somewhat bizarre rondo Hocus Pocus. This rock classic consisted of a striking rock-guitar chord sequence used as a recurring theme, intermingled with spasmodic interludes that included accordion playing, alto flute riffs, guitar improvisation, drum solos, whistling, nonsensical vocals, falsetto singing, and yodeling.
The musical egos of Thijs van Leer and Jan Akkerman eventually proved incompatible. In 1976 Jan Akkerman left the band, which finally dissolved in 1978. A belated reunion in 1985 resulted in a commercially unsuccessful album (although many diehard fans still rate it to this day). Later in 2001, Thijs van Leer...