The chorus was singing "The Ode to Joy."

合唱团那时正在唱着《欢乐颂》。

《柯林斯英汉双解大词典》

Possibly Beethoven's greatest work, almost everyone knows the "Ode to Joy" chorus of the final movement.

这可能是贝多芬最伟大的作品，几乎所有人都知道末乐章的"欢乐颂"大合唱。

youdao

So how does Beethoven go about making the Ode to joy joyful?

那贝多芬是怎么把欢乐颂处理得那么令人，愉悦的呢？

youdao

An arrangement, a little bit of a simplified version of it, where they're going to be doing 'Ode to Joy' with the Orchestra of St.Luke's."

VOA: special.2011.07.11

It was the setting of a poem by Friedrich Schiller called-- Ode to Joy?

这也是弗里德里希·席勒的组诗,叫做,欢乐颂

耶鲁公开课 - 聆听音乐课程节选

So how does Beethoven go about making the Ode to Joy joyful?

那贝多芬是怎么把欢乐颂处理得那么令人,愉悦的呢

耶鲁公开课 - 聆听音乐课程节选

What inspired Ludwig van Beethoven to write the "Ode to Joy" in his Ninth Symphony?

NEWYORKER: Immortal Beloved