"Opus: All-Time Best 1975-2012" is a 2-disc compilation album released on December 4, 2013. The album features 34 tracks from Tatsuro Yamashita's extensive discography, including his most popular and critically acclaimed songs. The collection spans 37 years of his career, from his debut single "Anmitsu" (1975) to his 2012 album "A New Sunrise".