The Rock and Roll Hall of Fame is celebrating its twenty-fifth anniversary with two concerts later this month in New York City.

VOA: special.2009.10.19

Timpani or as it's sometimes called a kettledrum, and it was playing two different pitches, actually sort of playing this pitch and this pitch, the octave and then the fifth.

定音鼓,或者有时称作半球形铜鼓,它正演奏两个不同的音高,实际上在演奏这个音高和另外一个音高,八度音阶和这个五度

耶鲁公开课 - 聆听音乐课程节选

Edward Kennedy died on August twenty-fifth, two thousand nine, at the age of seventy-seven.

VOA: special.2009.09.13

Michael Jackson died on June twenty-fifth, two thousand nine of heart failure.

VOA: special.2009.07.05

But in two thousand five, only one-fifth of students did.

VOA: special.2010.07.16