Trombones | Article about Trombones by The Free …
Three trombones are standard in the orchestra, formerly alto, tenor, and bass. The tenor is most often used today, often with extra tubing that can be cut in by a valve to give it the lower notes of the old bass trombone. The trombone is also widely used in jazz and dance bands. A valved trombone, first produced in Vienna in the 1820s, is ...
