対象となるのは、学生時代の旧友らが参加したアルバムと、前作に引き続き旧友をパートナーに迎え、前作以上にバラエティに富んだ作風を見せたソロ・アルバム、幻に終ったキャリア総括の裏ベスト的アルバムの3枚。
It covers the following three albums: the one joined by his(her) old school friends, another solo album with a increased variety of tasts, also recorded with his(her) old friend as a partner, and lastly, the one known as his(her) unofficial best album summing up his(her) whole career, which has never been released.
