石塚 玲依's 'Mermaid Rhapsody -笑顔-' had a release date set for November 8, 2025. With This song being less than two minutes long, at 1:21, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There is only one song in 「藤本タツキ 17-26 Part-2」オリジナルサウンドトラック, so we believe that "Mermaid Rhapsody -笑顔-" is a single. In terms of popularity, Mermaid Rhapsody -笑顔- is currently below average in popularity. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
The tempo marking of Mermaid Rhapsody -笑顔- by 石塚 玲依 is Moderato (at a moderate speed), since this song has a tempo of 110 BPM. With that information, we can conclude that the song has a moderate tempo. The time signature for this track is 3/4.
F♯ Major is the music key of this track. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.
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