Like Cowan’s earlier albums, the 11-track new one features backing from a coterie of talented studio musicians. That moniker is misleading because the group’s music extends way beyond R&B to embrace pop, jazz, rock, and more. You can thank happenstance for the existence of Chants of Rain, an instrumental set that finds fingerpicking guitarist Mary Flower collaborating with clarinetist Leon Cotter. Boone Creek, Boone Creek. When Boone Creek formed, however, Skaggs was just 23, Douglas was about 21, and they were relatively unknown.