Nusrat Fateh Ali Khan, a renowned Pakistani musician, gave music to the film "The Dead Man Walking". It is important to note that option 1, "Peoples Princess", is not correct as Nusrat Fateh Ali Khan did not provide music for any project related to Princess Diana. Option 2, "The Titanic", is also incorrect as the music for the film "Titanic" was composed by James Horner. Similarly, option 4, "The Real Ghost Busters", is also incorrect as Nusrat Fateh Ali Khan was not associated with the music for that film.

"The Dead Man Walking" is a 1995 American crime drama film directed by Tim Robbins. It is based on the book of the same name by Sister Helen Prejean. Although the music for this film was not widely known, Nusrat Fateh Ali Khan`s contribution enriched the emotional impact of the movie`s scenes. Nusrat Fateh Ali Khan was a legendary musician known for his qawwali, a form of devotional music in South Asia. He was highly regarded for his powerful vocals and ability to evoke deep emotions through his music.