Koshiro is composing the music for Gibiate, an anime airing next year. It's his first anime as far as I know. First sample sounds very old school:
https://www.youtube.com/watch?v=sq9mNXd2NKA
He also uploaded a short video yesterday talking (in English) about Druaga, Gradius, and Space Harrier:
https://www.youtube.com/watch?v=tLqbixY5H0s