Bruce Pavitt book signing draws Seattle music personalities

The Fantagraphics Bookstore & Gallery in Georgetown was packed full last night, with well-wishers eager to celebrate the publication of “Experiencing Nirvana: Grunge in Europe, 1989,” by Sub Pop records co-founder Bruce Pavitt.   Business was so brisk that sales of the book, a photo-journal of Sub Pop bands Nirvana, Mudhoney and Tad on tour, were…