In recent years, Cherry Red Records has made waves with their box set celebrations of music eras gone by.  From late-’70s Scottish independent releases and ’60s Baroque pop, to ’80s shoegaze and even the avant-garde sound explorations of Edgard Varese and Karlheinz Stockhausen, the label has a reputation for their meticulous deep-dives into music subcultures. In November, Cherry Red put the spotlight on the late-’70s U.K. pop-rock scene with Harmony In My Head:  UK Power Pop & New Wave, 1977-81.  The 3-CD set is a musical exploration of the development of British New…