Question: What is the sixth British and eighth American studio album by the Rolling Stones, that was the the preceding album of a single in 1968 called "supernatural Delta blues by way of Swinging London"?
Sentence (from "Their Satanic Majesties Request"): Recording sessions saw the band experimenting widely with a psychedelic sound in the studio, incorporating elements such as unconventional instruments, sound effects, string arrangements, and African rhythms.
Relevant evidence: No