"The Jean Genie" is a song by David Bowie, originally released as a single in November 1972. According to Bowie, it was "a smorgasbord of imagined Americana", with a protagonist inspired by Iggy Pop, and the title being an allusion to author Jean Genet. One of Bowie's most famous tracks, it was the lead single for the album Aladdin Sane (1973). Promoted with a film clip featuring Andy Warhol associate Cyrinda Foxe, it peaked at No. 2 on the UK Singles chart.

"Blue Jean" is a song written and recorded by David Bowie for his sixteenth studio album Tonight. One of only two tracks on the album to be written entirely by Bowie, it was released as a single ahead of the album and charted within the Top 10 in the UK and the United States, peaking at No. 6 and No. 8, respectively. The song is loosely inspired by Eddie Cochran. (https://en.wikipedia.org/wiki/Blue_Jean)

More Info: en.wikipedia.org