(C) Notwithstanding the grant of an exclusive or nonexclusive license of the right of public performance under section 106(6), an interactive service may not publicly perform a sound recording unless a license has been granted for the public performance of any copyrighted musical work contained in the sound recording: Provided, That such license to publicly perform the copyrighted musical work may be granted either by a performing rights society representing the copyright owner or by the copyright owner.