"Unbreakable" is a song by American R&B-soul singer Alicia Keys from her live album, Unplugged (2005). Written by Keys, Kanye West, and Harold Lilly, the track features a Wurlitzer riff, and is built around a sample of Eddie Kendricks' 1977 song "Intimate Friends", written by Garry Glenn. It was released as the album's lead single in 2005 and peaked at number thirty-four on the U.S. Billboard Hot 100, becoming Keys' first single to miss the top twenty since 2002's "How Come You Don't Call Me", and failed to peak inside the top forty on Billboard Pop 100. It was nevertheless a big success on the Hot R&B/Hip-Hop Songs chart, where it landed at number four.