Johann Nepomuk Hummel completed his Concerto a Trombe Principale (Trumpet Concerto in E Major) in December 1803.

It was performed on New Year's Day 1804 to mark Hummel's entrance into the court orchestra of Nikolaus II, Prince Esterházy as Haydn's successor.

There are parts which Weidinger may have altered to make it easier to perform on the keyed trumpet.

[2] This makes the fingering less difficult on modern valve trumpets.

The work is composed in three movements (typical of a concerto) and they are marked as follows: The work is scored for keyed trumpet solo, flute, 2 oboes, 2 clarinets, 2 horns, timpani and strings.