sinus tone pitch B0 - 30.8677 Hz - Subcontra-B

歌曲	sinus tone pitch B0 - 30.8677 Hz - Subcontra-B
歌手	Todster
专辑	Instrument Tuning Tone Generator - Tuner: All sinus tones 12 tone system equalsuffy well-tempered - Tuning to 440 Hertz