So, technically, there were no Will Smith songs released in the 1990s as a solo artist. However, he was part of the hip-hop duo DJ Jazzy Jeff & The Fresh Prince during that decade, and they released many popular songs, including:
* Summertime (1991)
* Parents Just Don't Understand (1988)
* Boom! Shake the Room (1991)
* Ring My Bell (1991)
* A Nightmare on My Street (1988)
* I Think I Can Beat Mike Tyson (1987)
* Girls Ain't Nothing But Trouble (1988)
* Brand New Funk (1989)
* I'm Looking For the One (1991)
These songs were huge hits in the 1990s and established Will Smith as a prominent figure in the hip-hop scene. So, while he didn't have a solo career during that decade, his work with DJ Jazzy Jeff left an undeniable mark on the music industry.