Bucket washing song - Okearaiuta

...There were various kinds of songs according to the process of sake brewing. For example, in the sake brewery songs of the Gogo region of Nada, on the north shore of Osaka Bay, which has the oldest history, there is the "Bucket Washing Song," which is about soaking the six-foot tubs and basin-shaped tubs called hangiri, which were used in the previous year, in hot water and washing them with a bamboo brush, also called "Autumn Washing" or "Washing Place Song." Next, there is the "Moto-suri Song," which is sung when steamed rice, koji, and water are placed in a hangiri tub to make the moto, and three or four people stir it with long paddles.

*Some of the terminology that refers to the "Bubblegum Song" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…その酒造り作業の工程に従って歌にいろいろの種類があった。最も古い歴史を有する大阪湾の北岸，灘（なだ）の五郷（ごごう）地方の酒屋歌の例でいえば，まず前年度に使用された六尺桶や半切（はんぎり）といって盥（たらい）状の桶その他の器具類を熱湯につけてささらで洗うときの〈桶洗い歌〉があり，これを〈秋洗い〉とか〈洗い場の歌〉ともいう。次に酛（もと）を作るために蒸米（むしまい）と麴（こうじ）と水とを半切桶に入れて，3～4人が長い櫂でかくはんするときに歌う〈酛摺（す）り歌〉がある。…

※「桶洗い歌」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報