Since you are interested in Marches (Including The Gladiator; El Capitan March & Stars and Stripes Forever), here is a list of other items that you may find interesting.
REICH / GLASS / HEATH / ADAMS
Minimalists (Incls Adams: Shaker Loops & Glass: Facades)
London Chamber Orchestra, Christopher Warren-Green
[ Erato Classics Red Line / CD - released 15/Oct/2018 ]
Minimalism was originally the word used to describe certain movements in the visual arts and design of the immediate post World War II period.
The Sound of Leonard Bernstein
Wayne Marshall (piano) London Sinfonietta, Bournemouth Symphony, City of Birmingham Symphony / Simon Rattle, André Previn, Paavo Järvi, Andrew Litton
[ Warner Classics / 3 CD - released 30/Mar/2018 ]
"The recordings are good or very good throughout - all digital in provenance...I don't think many purchasers would regret buying this CD." (MusicWeb)