Progresss made "Hollow" available on December 12, 2018. For a fairly short song, this song is "Hollow" is considered an explicit song with a duration of 1:53. There is only one song in 4 Seasons, so we believe that "Hollow" is a single. Hollow is not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Hollow テンポ

The tempo marking of Hollow by Progresss is Andante (at a walking pace), since this song has a tempo of 86 テンポ. With that information, we can conclude that the song has a slow tempo. This song can go great with yoga or pilates. The time signature for this track is 4/4.

Hollow キー

This song has a musical key of C Minor. Because this track belongs in the C Minor key, the camelot key is 5A. So, the perfect camelot match for 5A would be either 5A or 4B. While, a low energy boost can consist of either 5B or 6A. For moderate energy boost, you would use 2A and a high energy boost can either be 7A or 12A. However, if you are looking for a low energy drop, finding a song with a camelot key of 4A would be a great choice. Where 8A would give you a moderate drop, and 3A or 10A would be a high energy drop. Lastly, 8B allows you to change the mood.