In one of the segments of the latest "RT M!Countdown" live stream episode, G-Dragon was mentioned as the idol you cannot leave out when talking about idols who write their own music.

Some other artists like Yong JunHyung from B2ST, Super Junior, IU and more were shown in this category, this segment starts at around minute 10:13

"RT M!Countdown" is a Behind The Scenes show for international Kpop fans, it airs on YouTube live stream every Tuesday @9PM on Mnet's YouTube channel.

Video: MNET @YOUTUBE