I'm so glad Solar-nim brought this song on tour with her. She has evolved in so many ways, yet her red hot passion for life and for the stage remains potent and powerful. It is such a full circle moment.
No, it's Mikey from Duble Sidekick (he also was part of the hip hop group One Way). Duble Sidekick was very successful composing and producing duo in the 2010s - they even did You're the Best for Mamamoo.