[Machine Translation] Masayoshi Yamazaki's 10th anniversary best album, 2 discs, 2 titles to be released at the same time! OUT OF THE BLUE" ~B side & Rare Tracks" contains [DISC1] coupling songs from past singles, Bridgestone TV commercial song "DOKODEMONO IKO", Kirin Classic Lager TV commercial song "Stand By Me", JAPAN FM LEAGUE campaign song "Kaze no Densho (Message)" and other rare tracks. DISC2] contains the improvised guitar instrumental "mud skiffle track I - XI".