As one legend leaves us, another is on the brink of a comeback. Whitney Houston debuts “I Didn’t Know My Own Strength,” the first single from her new album I Look to You (Sept. 1). The empowering ballad was written by Diane Warren and produced by David Foster.

“I didn’t know my own strength/ And I crashed down and I tumbled/ But I did not crumble/ I got through all the pain/ I didn’t know my own strength,” the 45-year-old diva sings.