How to Tame a Wild Lion

A main vocalist with the temper of a lion x a cheerful and straightforward bassist. Who knew that the band couple I fangirl about is actually real! In order to understand and save the band that is on the verge of getting disbanded, he found a child prodigy star, who had to secretly leave the entertainment industry because of a car accident. But, this gangster-like youth, who became a "backside singer" at a bar, how should I tame him? Should I chase after my dream or choose my husband? I want them both!