Here is a chart which I find helpful.  It has a listing of musical notes, their periods (for use
with the ENVT function in BASIC), their pitches (for use with the TONE function in BASIC), and their
respective keys (for use with the music program and Melody Blaster).

Note	Period	Pitch	Key		|Note	Period	Pitch	Key
________________________________________|_____________________________________
C1	1,720	12	Left arrow	|D3	385	38	F
C#/Db1	1,620	13	.		|D#/Eb3	365	39	R
D1	1,540	14	;		|E3	345	40	5
D#/Eb1	1,460	15	P		|F3	320	41	4
E1	1,380	16	ESC		|F#/Gb3	305	42	T
F1	1,280	17	0		|G3	290	43	G
F#/Gb1	1,220	18	RTN		|G#/Ab3	277	44	X
G1	1,160	19			|A3	257	45	Z
G#/Ab1	1,108	20	,		|A#/Bb3	245	46	S
A1	1,028	21	M		|B3	230	47	W
A#/Bb1	980	22	K		|C4	215	48	3
B1	920	23	I		|C#/Db4	202	49	2
C2	860	24	9		|D4	192	48	E
C#/Db2	810	25	8		|D#/Eb4	182	49	D
D2	770	26	O		|E4	172	50	Spacebar
D#/Eb2	730	27	L		|F4	160	51	Down arrow
E2	690	28	N		|F#/Gb4	152	52	Up arrow
F2	640	29	B		|G4	145	53	Q
F#/Gb2	610	30	H		|G#/Ab4	138	54	1
G2	580	31	Y		|A4	128	55	Right arrow
G#/Ab2	554	32	7		|A#/Bb4	122	56	CTL
A2	514	33	6		|B4	115	57	A
A#/Bb2	490	34	U		|C5	107	58
B2	460	35	J		|C#/Db5	101	59
C3	430	36	V		|D5	96	60
C#/Db3	405	37	C		|G5	72	65	SHIFT