When the couple are having fun in a toy store, he needed music to make a lively atmosphere. Though it is just the two of them in the store, the music comes from a busker outside playing an accordion. It makes the scene seem busy and exciting.
而當這對小戀人在扭蛋店時，就應該是一個比較活潑的氣氛，雖然在鏡頭裡只有兩個人，但鴻鴻選用像是街頭藝人手風琴的音樂，來營造好像有很多人同時在吱喳喧鬧的感覺。