Cindy Birdsong label, Cameo-Parkway, for a more lucrative deal with Atlantic Records. Birdsong first met The Supremes when the group opened for them in 1963. Patti LaBelle has noted that a rivalry between the two groups developed after the Supremes were seen in the same store LaBelle and her band members were, shopping for clothes for performances. Group members reportedly were angry when the Supremes showed up on stage wearing the same outfit that they wore. The group also befriended a fellow Motown alumnus and Philly native, Tammi Terrell during that same period. The Blue Belles had some success after joining Atlantic
Cindy Birdsong group found a hit with the ballad, "Down the Aisle (The Wedding Song)". Birdsong was noted for her high soprano vocals in the background. From 1963 until 1966, The Blue Belles, later Patti LaBelle and The Bluebelles, found relative success on the charts and were raved for their live performances. After first performing at the Apollo Theater in 1961, the group became regular headliners at the world-famous venue, earning the nickname, "The Sweethearts of the Apollo". Following the success of "Down the Aisle", the group had follow-up success with "You'll Never Walk Alone" and "Danny Boy" before leaving their second