Knotlamp is a Japanese rock band signed to the Imperial Records label. They formed in 2000 and self-produced their first single, Mental Age in October 2002. They debuted under RUN RUN RUN Records with their mini-album, Blind Side on October 23, 2007 and released their first full album Sing Against the Stream on March 10, 2009. The title song from their single LAST TRAIN-新しい朝--, was used as the second opening to the anime, Yu-Gi-Oh! 5D's.