Yamaha YSL-354 Tenor TromboneYamaha standard trombones were designed to make it easier for beginning students to sound goodand as soon as possible. They are produced in Yamaha workshops by highly trained craftspeople with very similar specifications and manufacturing processes. Every single instrument is stringently test played and inspected by an expert. This is why some top artists have commented that Yamaha standard models are very close to pro trombones in quality, yet are