Akira Ifukube is among the greatest of all composers by just watching how his music breathes life into Gojira and all the Toho Kaiju on the big screen even years after his passing!!! A true master gone too soon, but his music is still alive and powerful!!!!
Amazon, but not all together and some are unavailable now and expect to pay a good amount. Also might help searching for Ifukube by using his name in Japanese characters.