Linkin Park have announced a livestream of previously-unseen concert footage and a fan Q&A session as part of their 20th anniversary celebrations for debut album ‘Hybrid Theory’.The band released the record, which featured the tracks ‘One Step Closer’ and ‘In The End’, on October 24, 2000.On Friday (October 9), band members Mike Shinoda, Brad Delson, Joe Hahn, Rob Bourdon and Dave “Phoenix” Farrell will take part in a Q&A session with fans, which will mark their first group interview since