Music video by Glenn Lewis performing Don't You Forget It. "Don't You Forget It" is an R&B song by Glenn Lewis, released in November 2001. Produced by Andre Harris, it was the first single from his debut album, World Outside My Window. In early 2002, the song became popular after its music video was released. The song, known for its strong Stevie Wonder influence, won the award for Best R&B/Soul Recording at the 2002 Juno Awards.