First,I will wrote about 『once-on a street of Dublin』. There are two main characters,one man and one woman.Their names didn't introduce in the story.When not fixing Hoovers at his father's vacuum cleaner repair shop,he pours his heart into writing songs about the woman who left him and performing them on the streets of Dublin.One night one woman happened along the street and she heard his original song. She was moved by his song and she asked him,"Why don't you sing your song in the daytime?"He said,"Many people is usually glad at well-known song."The woman left after promise to visit and had repaired her vacuum him again next day.Next evening,as her promise,she visit him with her vacuum however he treated her unfriendly. But she followed his lunch by force.She was familiar with music because she was taught the