Altered Images's 'Outro: Happy Birthday' had a release date set for July 17, 1981. With This song 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. The track order of this song in Altered Images's "HAPPY BIRTHDAY" album is number 13 out of 13. Based on our statistics, Outro: Happy Birthday's popularity is not that popular right now. Although the overall vibe is very danceable, it does project more negative sounds.

Outro: Happy Birthday テンポ

We consider the tempo marking of Outro: Happy Birthday by Altered Images to be Allegro (fast, quick, and bright) because the track has a tempo of 154 テンポ, a half-time of 77テンポ, and a double-time of 308 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, running, can go well with this song. The time signature for this track is 4/4.

Outro: Happy Birthday キー

B♭ Major is the music key of this track. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.