Macaroni Empitsu's ' "ワルツのレター" was released on its scheduled release date, January 12, 2022. With this song being around four minutes long, at 3:46, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There is only one song in ハッピーエンドへの期待は, so we believe that "ワルツのレター" is a single. In terms of popularity, ワルツのレター is currently below average in popularity. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
The tempo marking of ワルツのレター by Macaroni Empitsu is Andante (at a walking pace), since this song has a tempo of 108 BPM. With that information, we can conclude that the song has a moderate tempo. The time signature for this track is 4/4.
This song is in the music key of E♭ Minor. Because this track belongs in the E♭ Minor key, the camelot key is 2A. So, the perfect camelot match for 2A would be either 2A or 1B. While, a low energy boost can consist of either 2B or 3A. For moderate energy boost, you would use 11A and a high energy boost can either be 4A or 9A. However, if you are looking for a low energy drop, finding a song with a camelot key of 1A would be a great choice. Where 5A would give you a moderate drop, and 12A or 7A would be a high energy drop. Lastly, 5B allows you to change the mood.
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