Ever wondered what it’d be like if you revisited your angsty days from the late ‘90s and early 2000s with the help of a Tony nominee and Broadway.com Audience Choice Award winner? If so, you’re in luck! Santino Fontana showed off his grunge side in the March 29 episode of Crazy Ex-Girlfriend. No one makes ambivalence and indifference seem so—dare we say it—dreamy. Think Nirvana meets jazz hands. Take a look below at his character Greg’s ode to apathy, “I Could If I Wanted To,” below. All together now: whoopty freakin’ doo.