2018 EU 6-track vinyl EP. On NUMERO GROUP label. Catalogue No: NUM1267. Barcode: 825764606714.
The new “Heart of Glass” EP includes an instrumental rendition of the song, an extended version, a mix by DJ Shep Pettibone, a 1975 recording when it was still called “The Disco Song” and a 1978 attempt where they labelled it “Once I Had a Love.”