Joji Yuasa composed for some pavilions in EXPO '70. Especially at Textile Pavilion - in Japanese, Sen-i kan, "Space Projection 'AKO' " used multi-image projection and his concrete sound was well-known. This CD includes complete version of this work and orchestra part as the material. Also background sound of corridors and monologue of tall gentleman doll 'A Man of Rene Magritte' - this is a part of Yuasa's concrete work "Voices Coming" - are included. With 40pp booklet written by electronic musicologist Koji Kawasaki (texts are in Japanese) and 8pp photo-booklet of the pavilion.