Jang Yoon-Jeong's '첫사랑' came out on September 29, 2020. With this song being around four minutes long, at 3:47, 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 장윤정 BEST 2020, so we believe that "첫사랑" is a single. Based on our statistics, 첫사랑's popularity is not that popular right now. Although the overall vibe is very danceable, it does project more negative sounds.

첫사랑 テンポ

The tempo marking of 첫사랑 by Jang Yoon-Jeong is Allegro (fast, quick, and bright), since this song has a tempo of 128 テンポ. 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.

첫사랑 キー

This song is in the music key of E Major. This also means that this song has a camelot key of 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.