Toni Lanorris, Jari Shavay made "Regretful Romance" available on July 1, 2023. Regretful Romance is explicit and may not be suitable for children. With the duration being about 3:51, this song is close to the average duration of a typical track. There is only one song in 2wice Upon A Time, so we believe that "Regretful Romance" is a single. In terms of popularity, Regretful Romance is currently not that popular. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Regretful Romance テンポ

The tempo marking of Regretful Romance by Toni Lanorris, Jari Shavay is Andante (at a walking pace), since this song has a tempo of 108 テンポ. With that information, we can conclude that the song has a moderate tempo. The time signature for this track is 4/4.

Regretful Romance キー

This song has a musical key of A♭ Minor. Because this track belongs in the A♭ Minor key, the camelot key is 1A. So, the perfect camelot match for 1A would be either 1A or 12B. While, a low energy boost can consist of either 1B or 2A. For moderate energy boost, you would use 10A and a high energy boost can either be 3A or 8A. However, if you are looking for a low energy drop, finding a song with a camelot key of 12A would be a great choice. Where 4A would give you a moderate drop, and 11A or 6A would be a high energy drop. Lastly, 4B allows you to change the mood.