Folks tracking Mark Twain in popular culture, media, or performance
might be interested in this:

Dimension of IS
http://www.devilbunny.org/performance_art.htm

Parts one and two, Past/Present and Past, begin and end with
performances of Twain's "Battle Hymn of the Republic (Brought Down to
Date)" by Gigi Otalvaro-Hormillosa (aka Devil Bunny), "a San Francisco
based interdisciplinary performance artist, video artist, cultural activist,
curator and percussionist of Filipino and Colombian descent."

Jim Zwick