"CHILDHOOD'S END" ・This album's title tune. ・Original title from Arthur C.Clarke's science fiction novel. ・Percussions are played by Takasugi Shinsaku-san. He plays conga in place of surdo. ・Sound effect is sampled by PPG. ・The tail of "CHILDHOOD'S END" are overlapped, but only on this version and not on the single cut of "ACCIDENT".