Canterbury legends Soft Machine went through a dizzying number of lineup changes from their inception in 1966 to their late-'70s fade-out, but the "Soft" story hardly ended there. Over the years, various alumni of the group would carry the torch forward with outfits such as Soft Heap, Soft Head, Soft Ware, and Soft Works, before the emergence of Soft Machine Legacy in the mid-2000s. In the fall of 2015, Soft Machine Legacy -- at the time including three members who had appeared together on Soft Machine's 1976 album Softs -- dropped "Legacy" from the band name and decided to be...