Ayaka Hirahara's 'スマイル スマイル' came out on July 25, 2018. With this song being about 5 minutes long, at 4:38, "スマイル スマイル" by Ayaka Hirahara is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. There is only one song in 15周年記念 オールシングルコレクション, so we believe that "スマイル スマイル" is a single. In terms of popularity, スマイル スマイル is currently below average in popularity. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

スマイル スマイル テンポ

The tempo marking of スマイル スマイル by Ayaka Hirahara 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.

スマイル スマイル キー

C Major is the music key of this track. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.