Complex sentence: "Red Box" would eventually see release in 1985 as a B-side to the group's first single, "Money's Too Tight (To Mention)", a cover of a soul song originally recorded by The Valentine Brothers.
Split into simpler sentences: Red Box would eventually see release on the group's first single, but as a B-side. The A-side of the band's first single, released in 1985, was "Money's Too Tight (To Mention)", a cover of a soul song originally recorded by The Valentine Brothers.