古手梨花×北条沙都子
Artist with "ひぐらしのなく頃に キャラクターCD Vol.3 古手梨" album

古文単語FORMULA600
Artist with "古文単語FORMULA600" album

古明地 洋哉
Artist with "想いが言葉に変わるとき" album

古明地洋哉
Artist with the following albums: "Mind Game", "讃美歌 I", "Daydream", etc...

古本 新之輔・林原 めぐみ／奥井 雅美・松村 香...
Artist with "爆れつハンターOP/ED" album

古本新之輔・林原めぐみ
Artist with "WHAT'S UP GUYS" album

古本新之輔＆パラシュートシスターズ
Artist with "WATCH OUT!" album

古武道
Artist with the following albums: "風の都", "KOBUDO"

古河渚
Artist with "CLANNAD -クラナド- Drama CD CLANNAD Vol.1 古河渚" album

古河渚(cv.中原麻衣)
Artist with "" album

古泉一樹(小野大輔)
Artist with "" album

古澤 巌
Artist with "ヴァイオリンの夜" album

古澤ひかり
Artist with "バラは咲き" album

古澤剛
Artist with "BIRTH-DAY" album

古澤巌
Artist with the following albums: "Typhoon Dream", "MADRIGALE", "朝のうた", etc...

古澤良治朗
Artist with "[with Lee Oscar] あのころ" album

古澤良治郎
Artist with "古澤良治郎のベターデイズ" album

古澤良治郎　大口純一郎
Artist with "ライオンのいるふうけい" album