Fetching details from the dictionary...
wheat-straw whistle
麦笛で簡単な曲を演奏した。
I played a simple tune on a wheat-straw whistle.
麦笛の音色は懐かしい。
The tone of the wheat-straw whistle is nostalgic.
田舎で麦笛を作って遊んだ。
I made wheat-straw whistles and played in the countryside.