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.

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

Watch it below!