DVD (an abbreviation of "digital video disc" or "digital versatile disc") is a digital optical disc storage format invented and developed by Philips and Sony in 1995.
Heavy metal (or simply metal) is a genre of rock music that developed in the late 1960s and early 1970s, largely in the United Kingdom.
is a Japanese record label, a subsidiary of Sony Music Entertainment Japan.
LaserDisc (abbreviated as LD) is a home video format and the first commercial optical disc storage medium, initially licensed, sold and marketed as MCA DiscoVision in the United States in 1978.
A music video is a short film that integrates a song with imagery, and is produced for promotional or artistic purposes.
On the Verge of Destruction 1992.1.7 Tokyo Dome Live (also known as Visual Shock Vol. 4) is a live VHS/LD released by X Japan on November 1, 1992.
Power metal is a subgenre of heavy metal combining characteristics of traditional heavy metal with speed metal, often within symphonic context.
Speed metal is an extreme subgenre of heavy metal music that originated in the late 1970s from new wave of British heavy metal (NWOBHM) roots.
The Video Home System (VHS) is a standard for consumer-level analog video recording on tape cassettes.
is a Japanese heavy metal band from Chiba, formed in 1982 by drummer Yoshiki and lead vocalist Toshi.