No changes in text of librettos.

译本文字未改动。

youdao

And needless to say, I would love to be of assistance in translating opera librettos.

不用说，我也愿意协助翻译京剧唱词。

youdao

All four librettos reprinted with a different typeface (which I feel is more readable) for stage directions.

四个译本分别采用不同的字体刊登（我认为这样会更具可读性）。

youdao

Mr. Argento writes his own librettos, and his predominantly tonal music makes text intelligibility paramount while maintaining its own distinctive profile.

WSJ: A Liebestod to Die For | Tristan und Isolde | Houston Grand Opera | By Heidi Waleson

The city's Heritage Museum has a hall devoted to artefacts related to the art and its history, including a reconstructed theatre, librettos and multimedia programs.

BBC: Cantonese opera returns to Hong Kong

Peking opera is sung and recited using primarily Beijing dialect, and its librettos are composed according to a strict set of rules that prize form and rhyme.

UNESCO: Intangible Cultural Heritage