The Voices of Classic Rock

Voices of Classic Rock is a rock music ensemble featuring singers and musicians from classic rock groups popular in the 1970s and 1980s. Voices of Classic Rock was formed in 1998. In 2001, following the September 11 attacks, they released a version of "The Battle Hymn of the Republic". From Wikipedia (https://en.wikipedia.org/wiki/Voices_...) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/b...)