The notation melody you asked is the world-famous Irish folk song Long Long ago. This song was composed by British songwriter and playwright T·H· Bailey 1833, and was originally named Long ago. 1843, R. Griswold, editor of a magazine in Philadelphia, published Bailey's poems and songs, and the songs came out. Editor Griswold has already changed the title of the song to catchy.
The melody of this song is unpretentious and full of true feelings. The lyrics "Please tell me that kind story, many years ago-"evoke people's sweet memories of the good past and their loved ones, so they are deeply loved by the world and gradually spread from the United States to the whole world.