Answer :
Final answer:
A libretto is to an opera as lyrics are to a song.
Explanation:
A libretto is to an opera as lyrics are to a song. In opera, a libretto is the text or words that are sung by the performers, similar to how lyrics are sung in a song.
Recitative is to aria. In opera, recitative is a speech-inflected style of singing that advances the plot, while aria is a self-contained piece where emotions are expressed, similar to how recitative and arias are components of an opera.
Therefore, the correct comparison is OD. lyrics are to a song.
Learn more about Comparing elements in opera to elements in a song here:
https://brainly.com/question/23883348
