Trombone,Trumpet - Level 3 - Digital Download SKU: A0.1108996 Composed by John Philip Sousa. Arranged by Mark Lemstrom. 19th Century,Historic,Patriotic. 18 pages. Mark Lemstrom #711538. Published by Mark Lemstrom (A0.1108996). Washington Post March was written by John Philip Sousa in 1889 as part of the popular music of the time. This arrangement was scored to capture the same feeling and energy for brass quartet (2 trumpets and 2 trombones). With stylistically appropriate dynamics and phrasing, this arrangement of approximately 2:30 will depict the patriotic days of the military style bands. Medium Difficulty.