deetto no kashi to merodii o oboeta.

I remembered the duet's lyrics and melody.

Breakdown of deetto no kashi to merodii o oboeta.

• を: direct object particle
• と: noun-connector particle
• の: possessive case particle
• 覚おぼえる: to remember

Questions & Answers about deetto no kashi to merodii o oboeta.

What does の do in デュエットの歌詞?

の links nouns and shows a relationship between them. Here, デュエットの歌詞 means the lyrics of the duet or the duet’s lyrics.

So the structure is:

• デュエット = duet
• の = linking particle, often like of
• 歌詞 = lyrics

In this sentence, デュエットの naturally applies to both 歌詞 and メロディー, so the whole phrase is understood as the duet’s lyrics and melody.

Why is と used between 歌詞 and メロディー?

と connects nouns and means and.

So:

• 歌詞とメロディー = lyrics and melody

This is the standard way to list nouns in Japanese when you mean a complete, definite list.

Why is there only one を even though there are two things being remembered?