TOS died out really early as disks such as the IBM 2311[?] and IBM 2314[?] became common with the IBM 360 whereas they had been a real luxury on the IBM 7090.
... the early sound heavily influenced by Kesey's LSD-soaked Trips Festivals[?]. This early period is covered in Tom Wolfe's "The Electric Kool-Aid Acid Test." Their musical ...