Black Sabbath "Sports Arena" San Diego, CA, USA 03.12.1978 (Interview) Confirmed by Bill Ward/Last night's concert in Oakland (02.12.1978). Interview with Bill Ward made by Larry (?). This took place backstage right after the concert. The master tape had speed problems, hard to correct, but the sound is very clear most of the time. Length: 32 min | Audio Concerts | Video Concerts |