In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. In concert halls around the world, professional trumpet players will be found playing the Bach Stradivarius 18037 Lacquer Trumpet. The depth and color of sound, coupled with the even intonation and response, make the 18037 a top choice. The most popular of all Bach trumpets for good all-around playing, features standard weight body and bell, and standard construction #25 mouthpipe.