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Piano Tuning Stretch Data
Steinway Model D

Key	Note	Cents	-	Key	Note	Cents	-	Key	Note	Cents	-	Key	Note	Cents
1	A0	-17		25	A2	0		49	A4	3		73	A6	11.2
2	Bb0	-16.8		26	Bb2	0.1		50	Bb4	3.2		74	Bb6	12
3	B0	-16.7		27	B2	0.2		51	B4	3.5		75	B6	13
4	C0	-13.1		28	C2	0.4		52	C4	0.8		76	C6	14.5
5	Db0	-12.5		29	Db2	0.6		53	Db4	1.1		77	Db6	15.7
6	D0	-9.4		30	D2	0.8		54	D4	1.4		78	D6	16.8
7	Eb0	-9.2		31	Eb2	1		55	Eb4	1.7		79	Eb6	18
8	E0	-8.4		32	E2	1.2		56	E4	2		80	E6	19.6
9	F0	-6		33	F2	1.5		57	F4	2.3		81	F6	22
10	Gb0	-4		34	Gb2	1.8		58	Gb4	2.7		82	Gb6	24.5
11	G0	-3.6		35	G2	2.1		59	G4	3		83	G6	26.2
12	Ab0	-3.4		36	Ab2	2.5		60	Ab4	3.4		84	Ab6	28.5
13	A1	-3.2		37	A3	0		61	A5	3.8		85	A7	31
14	Bb1	-3		38	Bb3	0.1		62	Bb5	4.2		86	Bb7	33.8
15	B1	-2.8		39	B3	0.2		63	B5	4.6		87	B7	36.8
16	C1	-2.4		40	C3	0.4		64	C5	4.9		88	C7	40.1
17	Db1	-2.2		41	Db3	0.6		65	Db5	5.7
18	D1	-2.1		42	D3	0.8		66	D5	6.2
19	Eb1	-1.9		43	Eb3	1		67	Eb5	6.9
20	E1	-1.7		44	E3	1.2		68	E5	7.5
21	F1	-1.2		45	F3	1.5		69	F5	8.1
22	Gb1	-1		46	Gb3	1.8		70	Gb5	8.7
23	G1	-0.8		47	G3	2.1		71	G5	9.4
24	Ab1	-0.5		48	Ab3	2.5		72	Ab5	10

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