 For brass band, Hanmer wrote pieces such as "Latin Americana", "Brass Spectacular", "March With a Beat", "Waltz with a Beat", "Mexican Fiesta" and "Over Hill Over Dale".For smaller brass ensembles his work includes "Praeludium and Allegro" for trombone, "Cavatina and Allegro" for E flat horn, "Arioso and Caprice" for horn, "Flight of Fancy", for cornet and euphonium, the fantasy "Alice in Wonderland", "The Four Corners of the World", "Down Under", "Episodes for Brass", "Prelude and Rondo" and "Seven Up" for septet, "Prelude, Romance and Finale" for brass quartet and the cornet quartet "Foursome Fantasy".His arrangements of musicals include "Calamity Jane", "Blossom Time", "The Merry Widow", "Viva Mexico!