The music was also of the highest caliber, with tenor Placido Domingo singing "Panis Angelicus,"

VOA: standard.2009.08.29

I would say absolutely. And I would say even I could notice over the past four years I feel and there is a different tenor.

我答案是肯定的，我想说,甚至我都能感受到过去四年里,学校氛围发生的变化。

普林斯顿公开课 - 人性课程节选

Even with the new concerns, ElBaradei, whose soon-to-end tenure at the IAEA has been marked by moderation, welcomed the changed tenor of dialogue between the international community and Iran.

VOA: standard.2009.10.04