謝欣芷 made "哈囉歌" available on December 31, 2010. With 哈囉歌 being less than a minute long, we are pretty confident that this song does not contain any foul language. That being said, this song is pretty short compared to other songs. There is only one song in 幸福的孩子爱唱歌, so we believe that "哈囉歌" is a single. Based on our statistics, 哈囉歌's popularity is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

哈囉歌 テンポ

The tempo marking of 哈囉歌 by 謝欣芷 is Allegro (fast, quick, and bright), since this song has a tempo of 149 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 3/4.

哈囉歌 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.