Perfect Harmony Men's Chorus Non-Profit OrganizationsCommunity OrganizationsEntertainment Perfect Harmony Men's Chorus Visit Website Request Info P.O. Box 14706 Madison, WI 53708-0706 608-279-2127 About Map About Wisconsin's largest gay and gay-affirming men's chorus. We are a non-audition chorus and new members are always welcome! What's Nearby? Distance: 5 10 15 20 25 50 mi.