Trying to find information on a thrift store purchase I got today. It's a cassette tape labelled "Led Zepplin - Seattle, Wa Aug, 1977 (I)" As I understand it the show was in July 77. And this person appears to not know how to spell the name of the band. No idea what the sound quality is and in fact I haven't yet had a chance to listen to it. Would love more information. Thanks