[ JB004-unknown-reville.mid (23 kb)
 [ http://www.mmdigest.com/Attachments/16/04/24/160424_213004_JB004-unknown-reville.mid 

That piano roll is the Bugle Call Rag, an early composition of
Eubie Blake, written with Carey Morgan:

  http://www.loc.gov/jukebox/recordings/detail/id/4284/ 

Eric Stott

 [ Thanks, Eric; might the pianist be Eubie Blake himself?
 [ -- Robbie