Switzerland. Ticino. Lugano. MASI LAC. LAC Lugano Arte e Cultura. Federal Choir Festival in Costume. Musicians wearing colorful socks and clogs. The tuba is the largest and lowest-pitched musical instrument in the brass family. Like all brass instruments, sound is produced by vibrating or "buzzing" the lips into a large cupped mouthpiece. LAC Lugano Arte e Cultura is a new cultural centre dedicated to the visual arts, music and the performing arts. 12.06.2016 © 2016 Didier Ruef