申し訳ありません、このコンテンツはただ今　アメリカ英語と 中文　のみです。 For the sake of viewer convenience, the content is shown below in one of the available alternative languages. You may click one of the links to switch the site language to another available language.

A simple piano with harmonica and effect music is suitable for quiet narration, narration and background music. It can also be applied to film and television music and short video we media.