INFINITE's Sunggyu has dropped a special vocals only performance of "Hush".

In the performance video above, Sunggyu graces fans with his beautiful vocals as the instrumentals play on one side of the stereo. "Hush" is the title song of his first solo single album 'Won't Forget You', and it's about the feelings of being strongly attracted to someone without having to say anything. 

Watch Sunggyu's vocals only "Hush" performance video above and his music video here if you missed it.