Environmentalism, nuclear power, aging and death and forgetting, found sounds as music, notes that sustain eternally and notes that don’t. He goes to the north pole to examine global warming effects, and records sounds of melting snow. Sakamoto has scored some great and less-great films, and not being a big soundtrack listener I don’t know his work well, so I started playing his albums (including the glitch-ambient Insen and cool 1980s Esperanto) in prep for the VR Big Ears concert which was quietly canceled after he passed away.