Complex sentence: The B-sides differed on the various releases in different formats and countries; all were remixes, including the Fire Island Mix and Junior Dub by Pete Heller and Terry Farley and various Sabres of Paradise mixes.
Split into simpler sentences: The b-sides differed on the various releases in different formats and countries, however, all of them were remixes. Among those remixes were the Fire Island Mix and Junior Dub by Pete Heller and Terry Farley and various Sabres of Paradise mixes.