Eurythmics are two: Dave Stewart and Annie Lennox. They wrote all Eurythmic songs together, and Dave produced every one. As the world knows well, they created an expansive songbook of great songs, many of which became major hits, such as “Would I Lie To You,” “Here Comes The Rain Again,” “Missionary Man,” “There Must Be An Angel” and many others. But no song ever became more immensely ubiquitous, beloved, covered and iconic than their first real song as a duo, “Sweet Dreams (Are Made Of This).” It has been covered on records 182 different times, and that includes only official...