Some collaborations seem natural, while others are less conventional, which oftentimes end up being the most exceptional of all. The recent team-up between indie rockers Mrs. Henry and traditional American singer-songwriter Jack Tempchin is certainly less conventional and certainly exceptional, as heard on their recently released single “Waiting.” Tempchin is a celebrated artist for his contributions to various legendary artists’ careers, most notably The Eagles, for whom he and late Eagles frontman Glenn Frey wrote several of the band’s biggest hits, including “Peaceful Easy Feeling,” “Already Gone,” and “It’s Your World Now.” He’s also written songs for George Jones, Glenn Campbell, Emmylou Harris, and so many more. Mrs. Henry initially met Tempchin when he joined them to jam during thei...