ハーモニカ

ハーモニカ

Harmonica.

Here, "ハーモニカ" (harmonica) is used as the object of the verb "吹いていました" (played/blowed), indicating the instrument that was played.

私は子供の頃にハーモニカをよく吹いていました。

I often played the harmonica as a child.

In this sentence, "ハーモニカ" (harmonica) acts as part of the tool or instrument used by the subject "彼" (he) for playing music.

彼は古いハーモニカで美しい音楽を演奏しました。

He performed beautiful music with an old harmonica.

Here, "ハーモニカ" (harmonica) is identified as the item being found and bought in the store, demonstrating its use as an object in the sentence.

店で赤いハーモニカを見つけて買いました。

I found a red harmonica at the store and bought it.