And you can experience it all on the Internet at americanhistory-dot-s-i-dot-e-d-u.

VOA: special.2010.01.11

That's good, then we go D up to E; that's another whole step.

很好,然后从D升到E,又是一个全音级

耶鲁公开课 - 聆听音乐课程节选

Again,the address is americanhistory-dot-s-i-dot-e-d-u.

VOA: special.2010.01.11