Hit songwriter and producer Michael James Ryan—known professionally as busbee—died on Sept. 29 at the age of 43. Busbee was diagnosed with an aggressive form of brain cancer over the summer, according to a friend. Busbee’s songwriting credits include Maren Morris’ “My Church,” Florida Georgia Line’s “H.O.L.Y.,” Keith Urban’s “Fighter,” Garth Brooks’ “People Loving People,”…