Ace Spectrum was an American R&B, soul and disco musical group that was popular in the mid-1970s. == History == Based in New York City, the group consisted of Rudy Gay Sr., Elliot Isaac, Henry "Easy" Zant, Aubrey "Troy" Johnson, and, on their final album, Frederick G. Duff and Lawrence Coley. Zant, also known as Edward "Easy" Zant, was not only a member but he also managed the group. Gay, Isaac, Zant and Johnson began collaboration as a group in... [more on Wikipedia]