Brian Sings and Swings is episode 19 of family guy season 04. It was originally aired on January 8, 2006.
After an accident lands Brian in the hospital, he has a near-death experience that leads him to take a new lease on life. He finds a passion for singing and develops a new nightly gig with Frank Sinatra Jr., but his “live in the moment” lifestyle only goes so far. Meanwhile, Meg’s sexuality swings the other way.