藤川千愛's ' "悔しさは種" was released on its scheduled release date, April 8, 2020. With this song being around four minutes long, at 3:42, 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. There is only one song in 愛はヘッドフォンから, so we believe that "悔しさは種" is a single. In terms of popularity, 悔しさは種 is currently below average in popularity. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

悔しさは種 テンポ

The tempo marking of 悔しさは種 by 藤川千愛 is Andante (at a walking pace), since this song has a tempo of 91 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.

悔しさは種 キー

B♭ Major is the music key of this track. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.