Preludes in Quarter-Tone System: I

Preludes in Quarter-Tone System: I is a somber song by Ivan Wyschnegradsky with a tempo of 137 BPM. It can also be used half-time at 69 BPM or double-time at 274 BPM. The track runs 1 minute and 2 seconds long with a A♯/B♭ key and a minor mode. It has low energy and is not very danceable with a time signature of 4 beats per bar .