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.

Upbeat electronica theme featuring harmonics, mute guitar, piano, synths and electronic drums. Could be useful in corporate, business or documentary videos related to science or technology.