FlyleafFlyleaf is an American alternative rock band that formed in the Belton/Temple area in Texas in 2002 under the name Passerby. In October of 2012, the original vocalist, Lacey (Mosley) Sturm, left for various reasons and was replaced by the vocalist, Kristen May. Flyleaf has three full-length studio albums and several EPs with Sturm. In August of 2016, May announced that she will no longer continue with the band. Flyleaf has one full-length studio album and one EP with May.