原文: Phil Duncan. The Harmonica is the only instrument that is played by breathing both in and out through the instrument. Book. CD. HARM.
译文: 菲尔·邓肯. It is a simple, fun breathing machine and may even improve the health of your lungs. 污垢简单的口琴. 书. 光盘. 乐谱,CD. 口琴.