Rolling Stones/Tokyo,Japan 2.27.1990 Upgrade London，UK 1976 Upgrade After being aired in the

After being aired in the 70s

such as developing our own ``half-speed mastering'' technology that also focuses on the stage of extracting sound from magnetic tape

Listening to the singing voices of this era

" which was recorded with the same British producer

Rolling Stones/Tokyo,Japan 2.27.1990 Upgrade London，UK 1976 Upgrade After being aired in theAmong the mass release of live sound sources on the "CONCERT VAULT" site realized in 2013, the Rolling Stones' 1981 US tour was the main focus, but among them, the one that astonished Japanese enthusiasts was the stereo soundboard recording of the Tokyo Dome on February 27th, the final day of the Stones' first visit to Japan. Of course, it was a very unexpected sound source, but many enthusiasts were ecstatic that the final day of the Stones' first