Below is the tuning of the above bird song from the “Musical Wren” as analyzed by Melodyne’s melodic analysis function.
Found tuning via Melodyne 4 A4-456 Hz (click on graphic above)
0: 1/1 0.000000 unison, perfect prime 1: 155.000 cents 155.000000 2: 247.000 cents 247.000000 3: 344.000 cents 344.000000 4: 448.000 cents 448.000000 5: 542.000 cents 542.000000 6: 620.000 cents 620.000000 7: 711.000 cents 711.000000 8: 923.000 cents 923.000000 9: 1102.000 cents 1102.000000