Cinderella - Don't Know What You Got (Till It's Gone)

"Don't Know What You Got (Till It's Gone)" is a power ballad[2][3] written by Tom Keifer and performed by the glam metal band Cinderella, from their second album Long Cold Winter. Released in August 1988, it was their most successful single, peaking at number 12 on US Billboard Hot 100 in November 1988.