Listen to Just a Bit of Fun online. Just a Bit of Fun is an Instrumental language song and is sung by Blue Moon Swing. Just a Bit of Fun, from the album ワークスペースに最適なサクサクはかどるジャズBGM - Study of the Day, was released in the year 2022. The duration of the song is 1:48. Download Instrumental songs online from JioSaavn.