During this time, he became interested in American and British rock music ranging from Bob Dylan and Pink Floyd to the Velvet Underground and Japanese rock bands such as the Taj Mahal Travellers and the Flower Travellin' Band.
According to reports posted on Allmusic, the group lived a nomadic existence, drifting from ruins of ancient temples to disused subway stations around the Tokyo area.
Five years after releasing both Snuffbox Immanence and Tune In, Turn On, Free Tibet, Ghost returned with Hypnotic Underworld, and there were some changes in the band.
Cellist Hiromichi Sakamoto and percussionist Setsuko Furuya left and were replaced by a rhythm section of Takuyuki Moriya (electric bass guitar, double bass, and cello) and Junzo Tateiwa (drums, tabla, and percussion).
The DVD is a career-spanning collection of footage featuring over two hours of improvisations, one-time-only band lineups, trances, freakouts, live shows and more.