Fifty-third single from SMAP includes "Top Of The World," which is written by Junji Ishiwatari and composed by MIYAVI, and "Amazing Discovery" written & composed & arranged by Yasutaka Nakata (CAPSULE). "Amazing Discovery" is a theme song for UNIVERSAL STUDIOS JAPAN. This edition includes a bonus DVD with a music video for "Amazing Discovery." Comes with a serial-numbered code (2) to watch bonus video footage for a limited period of time (system requirements unknown). *Cover artworks corresponding to the limited edition A & B, and the regular edition are different from each other. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.