The showmen claim the Cry Me a River singer and his producer pal Timbaland ripped off their original music for a track on Timberlake's The 20/20 Experience album.

Cirque du Soleil's owners are convinced the pop star's Don't Hold the Wall track features music from their Steel Dream tune, according to documents obtained by

The human circus bosses want a cut of all the profits Justin and Timbaland made off the track, which wasn't one of the eight singles released from the album.