Related Information for Focus Focus is a Dutch progressive rock band founded by classically trained organist/flautist Thijs van Leer in 1969, along with guitarist Jan Akkerman. They are one of the most well-known and influential rock bands from the Netherlands. They successfully fuse inspired jazz, rock, and blues improvisation, classical musical structures, and accessible pop melodies into a powerful and instantly recognizable sound.Akkerman's technical mastery of the guitar and the often unpredictable brillianc.. read more