MIDI note 0-127 to frequency chart (CPS/Hz),
using Roland's "standard" octave numbering where Middle C = C4:

MIDI Note	CPS (cycles per second Hz)		
 0	8.0569	C-1
 1	8.5360		
 2	9.0435	D-1	
 3	9.5813		
 4	10.1510	E-1	
 5	10.7546	F-1	
 6	11.3941		
 7	12.0717	G-1	
 8	12.7895		
 9	13.7500	A-1	
 10	14.5676		
 11	15.4339	B-1	
--
 12	16.3516	C0	
 13	17.3239		
 14	18.3540	D0	
 15	19.4454		
 16	20.6017	E0	
 17	21.8268	F0	
 18	23.1247		
 19	24.4997	G0	
 20	25.9565		
 21	27.5000	A0	Piano low limit
 22	29.1352		
 23	30.8677	B0	
--
 24	32.7032	C1	
 25	36.6478		
 26	36.7081	D1	
 27	38.8909		
 28	41.2034	E1	Bass Guitar low E
 29	43.6535	F1	
 30	46.2493		
 31	48.9994	G1	
 32	51.9131		
 33	55.0000	A1
 34	58.2705		
 35	61.7354	B1	
--
 36	65.4064	C2	
 37	69.2957		
 38	73.4162	D2	
 39	77.7817		
 40	82.4069	E2	Guitar low E
 41	87.3071	F2	
 42	92.4986		
 43	97.9989	G2	
 44	103.8262		
 45	110.0000	A2	
 46	116.5409		
 47	123.4708	B2
--
 48	130.8128	C3	
 49	138.5913		
 50	146.8324	D3	
 51	155.5635		
 52	164.8138	E3	
 53	174.6141	F3	
 54	184.9972		
 55	195.9977	G3	
 56	207.6523		
 57	220.0000	A3
 58	233.0819		
 59	246.9417	B3	
--
 60	261.6526	C4	Middle C
 61	277.1826		
 62	293.6648	D4	
 63	311.1270		
 64	329.6276	E4	
 65	349.2282	F4	
 66	369.9944		
 67	391.9954	G4	
 68	415.3047		
 69	440.0000	A4  [the INTERNATIONAL tuning standard]	
 70	466.1638		
 71	493.8833	B4	
--
 72	523.2511	C5	
 73	554.3653		
 74	587.3295	D5	
 75	622.2540		
 76	659.2551	E5	
 77	698.4565	F5	
 78	739.9888		
 79	783.9909	G5	
 80	830.6094		
 81	880.0000	A5	
 82	932.3275		
 83	987.7666	B5	
--
 84	1046.5023	C6	
 85	1108.7305		
 86	1174.6591	D6	
 87	1244.5079		
 88	1318.5102	E6	
 89	1396.9129	F6	
 90	1479.9777		
 91	1567.9817	G6	
 92	1661.2188		
 93	1760.0000	A6	
 94	1864.6550		
 95	1975.5332	B6	
--
 96	2093.0045	C7	
 97	2217.4610		
 98	2349.3181	D7	
 99	2489.0159		
 100	2637.0205	E7	
 101	2793.8259	F7	
 102	2959.9554		
 103	3135.9635	G7	
 104	3322.4376		
 105	3520.0000	A7	
 106	3729.3101		
 107	3951.0664	B7	
--
 108	4186.0090	C8	Piano high limit
 109	4434.9221		
 110	4698.6363	D8	
 111	4978.0317		
 112	5274.0409	E8	
 113	5587.6517	F8	
 114	5919.9108		
 115	6271.9270	G8	
 116	6644.8752		
 117	7040.0000	A8	
 118	7458.6202		
 119	7902.1328	B8	
--
 120	8372.0181	C9	
 121	8869.8442	
 122	9397.2726	D9
 123	9956.0635
 124	10548.0818	E9
 125	11175.3034	F9
 126	11839.8215
 127	12543.8540	G9

based on and from			
Appendix A			
FREQUENCY EQUIVALENTS FOR PITCHES			
ON THE PIANO			
of			
"Electronic Music Synthesis: Concepts, Facilities, Techniques"			
by Hubert S. Howe, Jr., 1975.			
W.W. Norton & Company, Inc., New York			
page 259			
			
The formula is to use a given known octave frequency "F"			
and use the relation Fn = F * 2^(n/12) to compute			
the ocave equal-tempered semitone frequency.			



Provided by Benjamin Tubb for the JV-1080 mailing list.