Cassidy ft. Jag - "Otis (freestyle)"

Arguably the most-popular song of the year came out less than a month ago. The Throne's (Jay-Z and Kanye West) "Otis" has gotten fans and other rappers in a frenzy.

Cassidy and Jag are the latest rappers to freestyle over the track.

Listen to "Otis (freestyle)" by Cassidy ft. Jag below: