Letter to You by SISO Wave Song Details

SISO Wave's ' "Letter to You" was released on its scheduled release date, December 18, 2025. The duration of This song is about 3 minutes long, at 3:29. Based on our data, This song appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. Because this song is the only song in Letter to You and no other songs are present in the album, we classify this track as a single. In terms of popularity, Letter to You is currently unknown. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

BPM and Tempo

We consider the tempo marking of Letter to You by SISO Wave to be Andante (at a walking pace) because the track has a tempo of 90 BPM, a half-time of 45BPM, and a double-time of 180 BPM. Based on that, the speed of the song's tempo is slow. Activities such as, yoga or pilates, can go well with this song. The time signature for this track is 4/4.

Music Key

This song has a musical key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.

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