Introduction to the Baldassin-Sanderson Temperament (0:06)
The 4:5 Ratio (7:24)
Step 1: Tune A4 to 440Hz (15:44)
Step 2: Tune A3 to A4 as an Expanded 4:2 Octave (18:08)
Step 3: Tune A2 to A3 as an Expanded 6:3 Octave (21:04)
Step 4: Test the A2-A4 Double Octave (23:21)
Step 5: Tune F3 to A3 (25:41)
Step 6: Tune F4 to F3 as an Expanded 4:2 Octave (30:01)
Step 7: Tune C#4 midway between A3 and F4 (31:14)
Step 8: Re-tune F4 between C#4 and A4 (36:55)
Step 9: Re-tune F3 (38:57)
Step 10: Tune C#3 as an Expanded 6:3 Octave (41:01)
Step 11: Test Octaves, Thirds and Tenths (42:20)
Step 12: Tune a Fourth from F3 to A#3 (45:46)
Step 13: Tune a Fourth from A#3 to D#4 (47:17)
Step 14: Tune a Fourth from C4 to F4 (48:20)
Step 15: Tune a Fourth from F3 to A#3 (49:23)
Step 16: Test the Fourths (50:25)
Step 17: Tune B3 Between G3 and D#4 (51:27)
Step 18: Re-tune G3 (56:01)
Step 19: Re-tune D#4 (57:05)
Step 20: Test the Thirds in a Whole Tone Scale (58:34)
Step 21: Re-tune A#3 between F3 and D#4 (59:37)
Step 22: Re-tune C4 between G3 and F4 (1:01:30)
Step 23: Re-test the Fourths (1:02:20)
Step 24: Tune F#3 to A#3 (1:03:14)
Step 25: Tune E4 to C4 (1:04:37)
Step 26: Tune G#3 to C4 (1:06:00)
Step 27: Tune D4 to A#3 (1:07:22)
Step 28: Tune D#3 to G3 (1:13:05)
Step 29: Tune B2 to D#3 (1:14:47)
Step 30: Tune E3 to G#3 (1:16:16)
Step 31: Tune D3 to F#3 (1:17:31)
Step 32: Tune C3 to E3 (1:18:45)
Step 33: Tune A#2 to D3 (1:20:00)
Step 34: Tune G4 to D#4 (1:21:17)
Step 35: Tune F#4 to D4 (1:22:45)
Step 36: Tune G#4 to E4 (1:23:57)
Step 37: Test the Temperament (1:25:00)
A Review of the Steps (1:32:23)
Conclusion (1:36:30)