My Heart Is The Worst Kind Of Weapon - Demo by Fall Out Boy Song Details

On October 17, 2025, the song "My Heart Is The Worst Kind Of Weapon - Demo" was released by Fall Out Boy. The duration of This song is about 3 minutes long, at 3:22. 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. The song is number 16 out of 31 in From Under The Cork Tree (20th Anniversary Deluxe) by Fall Out Boy. Going off of the ISRC code of this track, we detected that the origin of this track is from United States. Based on our statistics, My Heart Is The Worst Kind Of Weapon - Demo's popularity is average in popularity right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

BPM and Tempo

The tempo marking of My Heart Is The Worst Kind Of Weapon - Demo by Fall Out Boy is Allegro (fast, quick, and bright), since this song has a tempo of 125 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

Music Key

B Minor is the music key of this track. This also means that this song has a camelot key of 10A. So, the perfect camelot match for 10A would be either 10A or 9B. While, a low energy boost can consist of either 10B or 11A. For moderate energy boost, you would use 7A and a high energy boost can either be 12A or 5A. However, if you are looking for a low energy drop, finding a song with a camelot key of 9A would be a great choice. Where 1A would give you a moderate drop, and 8A or 3A would be a high energy drop. Lastly, 1B allows you to change the mood.

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