陳一郎's ' "昔日的恋歌" was released on its scheduled release date, August 28, 1997. The duration of This song is about 3 minutes long, at 3:26. 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. There is only one song in 标准歌唱舞曲 Vol.3探戈（上）, so we believe that "昔日的恋歌" is a single. In terms of popularity, 昔日的恋歌 is currently not that popular. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
The tempo marking of 昔日的恋歌 by 陳一郎 is Moderato (at a moderate speed), since this song has a tempo of 112 BPM. With that information, we can conclude that the song has a moderate tempo. The time signature for this track is 4/4.
A♭ Major is the music key of this track. 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.
Want to find the BPM and music key for other songs? Check out our BPM and Key Finder page!