What is the name of artist and song last in movie soundtrack LIFE w Martin Lawrence Eddie Murphy?

You're thinking of the 1999 film "Life" starring Eddie Murphy and Martin Lawrence. The final song in the soundtrack is:

* "Life" by Dru Hill featuring Sisqó

This R&B ballad perfectly encapsulates the theme of the movie, which is about two friends who are both convicted of the same crime and their lives in prison.