子守唄を歌って

sing a lullaby

→ 子守唄
phrase Rare #41,909
sing a lullaby 子守唄 means “lullaby,” and 歌って is the て-form of 歌う (“to sing”). On its own, 子守唄を歌って can be a casual request meaning “Sing a lullaby,” or it can connect to another verb, as in 子守唄を歌ってあげた (“sang a lullaby for someone”).
JA: 赤ちゃんに子守唄を歌ってあげよう。
EN: Let's sing the baby a lullaby.

アンのために子守唄を歌ってあげた

Anne sang a lullaby for her younger sister.

子守唄を歌って

Sing me a lullaby.

子守唄を歌ってやれ

Sing them a lullaby.

— es[エス] (2001)

子守唄を歌ってあげよう

I'll sing you a lullaby.

— तुम्बाड (2018)