Claim: Bach in the Subways is a grass-roots movement to bring public attention to classical music, which is produced or rooted in the traditions of Western culture, including both liturgical (religious) and secular music.
Evidence: Bach in the Subways is a grass-roots movement to bring public attention to classical music, mainly through free concerts in celebration of the birthday of Johann Sebastian Bach (March 21). Classical music is art music produced or rooted in the traditions of Western culture, including both liturgical (religious) and secular music.