A doctor, a logician and a marine biologist had also just arrived, flown in at phenomenal expense from Maximegalon to try to reason with the lead singer who had locked himself in the bathroom with a bottle of pills and was refusing to come out till it could be proved conclusively to him that he wasn't a fish. The bass player was busy machine-gunning his bedroom and the drummer was nowhere on board. Frantic inquiries led to the discovery that he was standing on a beach on Santraginus V over a hundred light years away where, he claimed, he had been happy for over half an hour now and had found a small stone that would be his friend.

The Restaurant at the End of the Universe