Trumpet Duet Trumpet - Level 1 - Digital Download SKU: A0.810179 Composed by Johann Sebastian Bach, Christian Petzold. Arranged by Daniel C. M. Baroque,Concert,Standards. Score. 5 pages. Daniel C. M. #5335389. Published by Daniel C. M. (A0.810179). This work is attributed to Johann Sebastian Bach. It is used the name of the now attributed composer Christian Petzold for there is new information about him. This arrangement is written for trumpet duet, they can be both in C or both in Bb. The difficulty level is basically easy as the original for both parts. The articulations are meticulously written to help to get a better approach to the style but, of course, it's only a guide that can be changed. The pdf file includes the score and parts.