Few rivaled the Moonglows in musical sophistication, inventiveness or flair. They could sing gorgeous heartache ballads, rollicking up-tempo rhythm tunes, creditable period-piece novelty numbers, wonderful pop covers or shattering originals. This two-disc set contains 44 outstanding numbers, with every major Moonglows anthem and several others that weren't big hits but deserved to be, such as "Penny Arcade" and "Love Is a River." This collection updates and expands the Greatest Sides single LP release briefly available when Sugar Hill had the Chess catalog in the 1970s. It wisely restricts material to the era when they were at their best, the 1950s, and includes an excellent booklet.