12 Preludes: No. 1 —

12 Preludes: No. 1 — is a somber song by Galina Ustvolskaya with a tempo of 74 BPM. It can also be used double-time at 148 BPM. The track runs 2 minutes and 4 seconds long with a F♯/G♭ key and a major mode. It has low energy and is very danceable with a time signature of 4 beats per bar .