F.I.R.'s '相信希望 (紀錄片《復工》主題曲)' came out on July 20, 2021. With this song being about 5 minutes long, at 5:05, "相信希望 (紀錄片《復工》主題曲)" by F.I.R. 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 鑽石之心, so we believe that "相信希望 (紀錄片《復工》主題曲)" is a single. The popularity of 相信希望 (紀錄片《復工》主題曲) is currently not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
The tempo marking of 相信希望 (紀錄片《復工》主題曲) by F.I.R. is Vivace (lively and fast), since this song has a tempo of 170 BPM. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.
B Major is the music key of this track. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.
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