"의심하지 않는 마음" by YouinA was released on February 18, 2022. With 의심하지 않는 마음 being less than two minutes long, at 1:48, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There is only one song in 나의 마음, so we believe that "의심하지 않는 마음" is a single. 의심하지 않는 마음 is below average in popularity right now. Although the overall vibe is very danceable, it does project more negative sounds.
The tempo marking of 의심하지 않는 마음 by YouinA is Andante (at a walking pace), since this song has a tempo of 80 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
The music key of this track is A♭ Major. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.