This excellent suite for bass trombone, piano, percussion and tuned percussion should get more attention:

[url]<LINK_TEXT text="https://www.youtube.com/playlist?list=P ... 5Yx-VGCqz
">https://www.youtube.com/playlist?list=PLU78MdYyYW5FJUWXRvy5f_JT5Yx-VGCqz
</LINK_TEXT>

Christian Jones plays it brilliantly and the writing by Mark Travers is excellent! Give it a listen!