Midwestern transplant Nathan Hewitt’s Music for Fifteen Emails is inspired by the 1980’s environmental music of composers such as Hiroshi Yoshimura, Satoshi Ashikawa, Haruomi Hosono, and Ryuichi Sakamoto. Unlike its inspirations, the album comes from the empty concrete jungles of coronavirus-stricken New York City. Like them, it evokes a certain interior-ness: of being in a room, looking out onto the world, with a window as your bridge.