Kidz Bop is a brand of compilation albums featuring kids performing contemporary popular songs. The series was developed by Razor & Tie co-founders Cliff Chenfeld and Craig Balsam in October 2000. The albums are composed of popular songs that chart high on the Billboard Hot 100 and/or receive heavy airplay from contemporary hit radio stations several months ahead of each album's release. The songs are performed by kids and make use of lyrical edits to make the songs more appropriate for children & families. The franchise has sold over 15.4 million albums and 4.3 million tracks. Since its debut in 2001, KIDZ BOP has expanded significantly to include merchandise, music videos, talent search competitions and The KIDZ BOP Kids who are the face of the brand. The KIDZ BOP Kids are chosen by audition. There are 28 main albums.