SOULSLEEP made "Glass Heart" available on October 20, 2023. The duration of Glass Heart is about 3 minutes long, at 3:28. Based on our data, "Glass Heart" 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 Glass Heart and no other songs are present in the album, we classify this track as a single. Based on our statistics, Glass Heart's popularity is not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

Glass Heart テンポ

We consider the tempo marking of Glass Heart by SOULSLEEP to be Allegro (fast, quick, and bright) because the track has a tempo of 121 テンポ, a half-time of 60テンポ, and a double-time of 242 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Glass Heart キー

This song has a musical key of F Minor. Because this track belongs in the F Minor key, the camelot key is 4A. So, the perfect camelot match for 4A would be either 4A or 3B. While, a low energy boost can consist of either 4B or 5A. For moderate energy boost, you would use 1A and a high energy boost can either be 6A or 11A. However, if you are looking for a low energy drop, finding a song with a camelot key of 3A would be a great choice. Where 7A would give you a moderate drop, and 2A or 9A would be a high energy drop. Lastly, 7B allows you to change the mood.