Helsinki, Concert House, October 1975
My blog: https://sonarmc.com/wordpress/site01/2015/06/11/%e3%82%b7%e3%83%99%e3%83%aa%e3%82%a6%e3%82%b9-%e3%80%8c%e3%82%ab%e3%83%ac%e3%83%aa%e3%82%a2%e3%80%8d%e7%b5%84%e6%9b%b2-%e4%bd%9c%e5%93%81%ef%bc%91%ef%bc%91/