Nancy Martinez was born in Montreal, Quebec, Canada.
In 1982, she released two Hi-NRG tracks, "I'm Gonna Get Your Love" (credited as Jade) and "Can't Believe" (credited as Nancy Martin).
In 1984 She released her first album Lay It Down on the Unidisc Label which was a disco collection of original songs.
In 1986, she released the album Not Just the Girl Next Door on Atlantic Records in New York City. That album produced three dance hits: "For Tonight" which went to number two for two weeks on the dance charts, "Move Out" which got to #12, and "Crazy Love". "For Tonight" also crossed over to the Billboard Hot 100 chart, peaking at #32. The songs are still in rotation at many dance music radio stations throughout Canada.
1987 saw the release of the single "Can't Wait". This song is not on any Nancy Martinez album, but the single peaked at #11 on the dance charts, and is on the compilation CD "Greatest Freestyle Album in The Universe, vol. 3"
In 1987 Nancy Martinez released her CD "Unpredictable". Singles from this CD didn't make the impact that prior ones did, but "Save Your Love For Me" was a hit at dance radio, as was follow up song "You've Got Me On Fire".
In 1990 She released her first French Album "Nancy Martinez" on Isba/CBS Label and had 3 top ten singles from the album.
In 1993 Nancy released a French album on Isba Music/ CBS Records entitled Pourquoi Tu Pars? featuring the title track, a cover of Italian singer songwriter Marco Masini's "Perche lo fai?" As well as "La Maitresse de tes reves" whose video received much airplay on Musique Plus (Much Music's sister station in Quebec). In 2006, Martinez collaborated with MC Mario and Ivan Pavlin on the song "Not Guilty".
In 2005 Martinez recorded "Downtown" a collection of Jazz Standards.
Martinez also was featured on Kmaro's "Femme Like You" and "Crazy".
In 2010, "For Tonight" was remixed by MC Mario & Vito V from Les Boyz Electro and appeared on his album Mixdown 2010, peaking #2 on his show and #9 in Canada.