One of the most individual and prolific of Norwegian composers, Geirr Tveitt studied in Leipzig, Vienna and Paris with teachers including Honegger, Villa-Lobos and Wellesz, but his cosmopolitan style stemmed too from deep roots in his family’s native Hardanger region, whose folk tradition Tveitt made his own in these richly imaginative orchestral suites. “If a leaf grows on a birch tree,” he said, “it has to be a birch leaf.”