"ワルツ Op.9 No.2 (ピアノ)" by IYASHINOOTO had its release date on September 25, 2020. With This song being less than two minutes long, at 1:03, 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 クラシック ピアノ ソロ 名曲クラシック!学校・テレビでも使われる 定番 クラシック - クラシックピアノ BEST 50 -, so we believe that "ワルツ Op.9 No.2 (ピアノ)" is a single. ワルツ Op.9 No.2 (ピアノ) is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.
The tempo marking of ワルツ Op.9 No.2 (ピアノ) by IYASHINOOTO is Adagio (slowly with great expression), since this song has a tempo of 73 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
This song is in the music key of 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.