There are lots of bands called Leech, all play variations of Rock: a Swiss experimental rock band, an Oregon black metal band, a Belgian Rock band, a Dutch Post-grunge/Rock band, a German Rock band, a Swedish Metal Band and an Estonian Alternative metal group. Swiss progressive rock / Instrumental Band Leech was formed in 1995 by Marcel Meyer (Guitar, Piano), Urs Meyer (Guitar, Piano) and Serge Olar (Drums). Right from the start the band devoted