Rolland's ' "a song for someone you've lost" was released on its scheduled release date, December 16, 2022. With this song being around four minutes long, at 3:45, 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. Because this song is the only song in a song for someone you've lost and no other songs are present in the album, we classify this track as a single. The popularity of a song for someone you've lost is currently below average in popularity right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

a song for someone you've lost テンポ

The tempo marking of a song for someone you've lost by Rolland is Vivace (lively and fast), since this song has a tempo of 170 テンポ. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 5/4.

a song for someone you've lost キー

This song has a musical key of A Minor. Because this track belongs in the A Minor key, the camelot key is 8A. So, the perfect camelot match for 8A would be either 8A or 7B. While, a low energy boost can consist of either 8B or 9A. For moderate energy boost, you would use 5A and a high energy boost can either be 10A or 3A. However, if you are looking for a low energy drop, finding a song with a camelot key of 7A would be a great choice. Where 11A would give you a moderate drop, and 6A or 1A would be a high energy drop. Lastly, 11B allows you to change the mood.