Il Balletto di Bronzo is an italian progressive rock band from the early 1970s. Their 1972 album, Ys, is considered one of the best of the era. The band was founded in 1969 and was first composed of Lino Ajello (guitar), Vito Manzari (keyboards) and Gianchi Stringa (drums).
Source: http://www.last.fm/music/Il+Balletto+Di+Bronzo/+wiki