Collen made "Killed My Heart" available on February 7, 2020. The duration of Killed My Heart is about 3 minutes long, at 3:04. Based on our data, "Killed My 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 Killed My Heart and no other songs are present in the album, we classify this track as a single. Based on our statistics, Killed My Heart's popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Killed My Heart テンポ

We consider the tempo marking of Killed My Heart by Collen to be Allegro (fast, quick, and bright) because the track has a tempo of 122 テンポ, a half-time of 61テンポ, and a double-time of 244 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.

Killed My Heart キー

E♭ Minor is the music key of this track. Because this track belongs in the E♭ Minor key, the camelot key is 2A. So, the perfect camelot match for 2A would be either 2A or 1B. While, a low energy boost can consist of either 2B or 3A. For moderate energy boost, you would use 11A and a high energy boost can either be 4A or 9A. However, if you are looking for a low energy drop, finding a song with a camelot key of 1A would be a great choice. Where 5A would give you a moderate drop, and 12A or 7A would be a high energy drop. Lastly, 5B allows you to change the mood.