原文: Paul Johnson. an active challenge to a child's ingenuity. Shapes. Sheet Music. Unison and piano. UNIS. PFA. Paul Johnson.
译文: 保罗·约翰逊. 形状. 乐谱. 齐奏和钢琴. 国. 保罗·约翰逊. 齐奏和钢琴. Hard, soft, flat and solid shapes all feature in this delightful learning song.