It was a place for people to sing about social injustices as well as what was happening on the streets.

VOA: special.2009.10.14

Everybody's got the sheet there and what I would like to do is just have everyone, all of this--We'll just sing "La" Here. We won't sing the text.

每个人都有一张,我想做的就是让每个人,大家只唱,啦,不用唱歌词

耶鲁公开课 - 聆听音乐课程节选

What I do is try to sing the bass.

我的话会试着跟唱低音部。

耶鲁公开课 - 聆听音乐课程节选