http://www.dwerden.com/alchemy/index.cfm America's first professional euphonium-tuba quartet. Members, contact information, and repertoire. http://www.tubaeuph.com/symphonia/index.htm American tuba-euphonium ensemble. Information about the group, pictures, discography, Real Audio samples, and links. http://www.tntech.edu/www/life/orgs/tuba/ Information about the group and its history, members, sound files, reviews, and links. http://www.dws.ndirect.co.uk/tubalate.htm Tuba and euphonium quartet shares mp3 excerpts from their CDs. Newsletter, performances, and links. http://user.tninet.se/~gtu874n/ Duo that performs music ranging from classical via jazz and blues all the way to contemporary music. Photo gallery, history, awards, and links.