Producer Primary has released an album featuring 23 artists titled 'Primary and the Messengers'.

The composer and producer has been active as a part of hip hop units such as�Primary Score and�Primary Skool. His album includes 18 groups (23 artists), such as�Dynamic Duo,�Dok2,�Double K,�Bumkey,�Simon D,�Jay Park, and�MBLAQ's�G.O, setting the record for the most featured artists in one album.

With such a record, Primary has been garnering much attention, especially with his strategical use of talented idols in his album.

On tonight's episode, Zion.T and Dynamic Duo's Choiza took to the stage on 'M! Countdown' to perform Primary's self-produced track "?" ('Question Mark').

Watch it below!