The voice of Steve Ellis first burst out of radios on The Love Affair’s 1967 recording of “Everlasting Love.”  A chart-topper in the U.K. and a hit throughout Europe, it failed to chart in the U.S. but set Ellis on a path of music-making that continues to this day.  Edsel has taken a deep dive into his extensive career for an impressive new box set.  Over 10 discs, Finchley Boy chronicles the Steve Ellis story both as a solo artist and with the groups Love Affair, Ellis, and Widowmaker. In the period…