MLS Sonic Branding by Audiobrain: Full Initiative 

Audiobrains long-term sound branding initiative for MLS, which in addition to the Official MLS Theme Song and athletes procession, consists of a television sound signature, rock versions, promos, ringtones, iTunes and many other touchpoints. Hear them all here, as well as a behind the scenes look at the Prague recording session.
www.audiobrain.com