 Coda – a collection of Zeppelin outtakes and unused tracks – was issued in November 1982 . It included two tracks from the Royal Albert Hall in 1970 , one each from the Led Zeppelin III and Houses of the Holy sessions , and three from the In Through the Out Door sessions . It also featured a 1976 Bonham drum instrumental with electronic effects added by Page , called " Bonzo 's Montreux " . 
