Originally released in 2001 as "DJ Tiësto – Flight 643" with instrumental versions only. Releases in 2002 were renamed to "DJ Tiësto Featuring Suzanne Palmer – 643 (Love's On Fire)", adding vocalized mixes of "Flight 643" instrumental versions and new vocalized and instrumental remixes. The melody is taken from the 1992 track [r=60175] by [[artist:7642]].