Il Giardino dei Semplici (also spelled just as Giardino dei Semplici and often referred as GDS) are an Italian pop-rock music group, mainly successful in the 1970s and 1980s.Formed in late 1974 and officially launched in early 1975, throughout four decades they have released 11 studio records, 17 singles and many Greatest Hits albums. The group is well-known for singing in their signature choral falsetto; their music is a cohesive blend of genres.