Example 9. The fifty most frequent chords in the major (left-hand side) and the minor (right-hand side) modes in the Corelli corpus. Chords in red appear in both the ascending and the descending variants of the RoO; chords in green appear only in the ascending variant, while chords in blue appear only in the descending version.
| Major | Minor | |||||
|---|---|---|---|---|---|---|
| Unigram | Occurrences | Proportion | Unigram | Occurrences | Proportion | |
| rank | ||||||
| 1 | I | 1177 | 15.52 % | i | 1099 | 17.02 % |
| 2 | V | 864 | 11.39 % | V | 836 | 12.95 % |
| 3 | I6 | 646 | 8.52 % | i6 | 418 | 6.47 % |
| 4 | IV | 408 | 5.38 % | iv | 298 | 4.61 % |
| 5 | V7 | 303 | 3.99 % | iv6 | 265 | 4.1 % |
| 6 | vi | 290 | 3.82 % | V(4) | 253 | 3.92 % |
| 7 | V6 | 266 | 3.51 % | V7 | 232 | 3.59 % |
| 8 | V(4) | 264 | 3.48 % | V6 | 182 | 2.82 % |
| 9 | ii6 | 260 | 3.43 % | VI | 152 | 2.35 % |
| 10 | IV6 | 216 | 2.85 % | ii%65 | 150 | 2.32 % |
| 11 | ii65 | 198 | 2.61 % | v6 | 142 | 2.2 % |
| 12 | iii6 | 140 | 1.85 % | iio6 | 116 | 1.8 % |
| 13 | ii | 137 | 1.81 % | iv6(2) | 115 | 1.78 % |
| 14 | viio6 | 123 | 1.62 % | i(9) | 96 | 1.49 % |
| 15 | vi6 | 102 | 1.34 % | V(64) | 87 | 1.35 % |
| 16 | ii7 | 95 | 1.25 % | iv7 | 84 | 1.3 % |
| 17 | viio | 92 | 1.21 % | III | 82 | 1.27 % |
| 18 | IV(9) | 92 | 1.21 % | #viio | 78 | 1.21 % |
| 19 | iii | 90 | 1.19 % | #viio6 | 74 | 1.15 % |
| 20 | I(9) | 78 | 1.03 % | VI6 | 72 | 1.11 % |
| 21 | V65 | 77 | 1.02 % | V65 | 71 | 1.1 % |
| 22 | I(4) | 67 | 0.88 % | V2 | 51 | 0.79 % |
| 23 | V/V | 61 | 0.8 % | IV | 50 | 0.77 % |
| 24 | V(64) | 59 | 0.78 % | v | 50 | 0.77 % |
| 25 | V2 | 58 | 0.76 % | ii%7 | 46 | 0.71 % |
| 26 | I/V | 54 | 0.71 % | iv(9) | 44 | 0.68 % |
| 27 | IVM7 | 54 | 0.71 % | III6 | 40 | 0.62 % |
| 28 | vi7 | 50 | 0.66 % | V/iv | 38 | 0.59 % |
| 29 | ii6(2) | 49 | 0.65 % | i(4) | 37 | 0.57 % |
| 30 | V7/V | 49 | 0.65 % | V/III | 35 | 0.54 % |
| 31 | IVM65 | 37 | 0.49 % | V6/iv | 35 | 0.54 % |
| 32 | I6(2) | 36 | 0.47 % | IV6(2) | 31 | 0.48 % |
| 33 | IV6(2) | 35 | 0.46 % | I/III | 31 | 0.48 % |
| 34 | V6/V | 35 | 0.46 % | IV6 | 28 | 0.43 % |
| 35 | I6/V | 33 | 0.44 % | IV(9) | 28 | 0.43 % |
| 36 | ii2 | 32 | 0.42 % | v6(2) | 27 | 0.42 % |
| 37 | V/vi | 32 | 0.42 % | i/v | 27 | 0.42 % |
| 38 | ii(9) | 30 | 0.4 % | ii%2 | 25 | 0.39 % |
| 39 | viio6/V | 25 | 0.33 % | IV65 | 25 | 0.39 % |
| 40 | iii(4) | 25 | 0.33 % | V7/III | 23 | 0.36 % |
| 41 | i/vi | 25 | 0.33 % | V6/III | 23 | 0.36 % |
| 42 | iii7 | 25 | 0.33 % | bII6 | 21 | 0.33 % |
| 43 | V6(2) | 24 | 0.32 % | V/v | 21 | 0.33 % |
| 44 | viio6(2) | 23 | 0.3 % | V65/iv | 20 | 0.31 % |
| 45 | vi(9) | 23 | 0.3 % | V7/iv | 19 | 0.29 % |
| 46 | iii6(2) | 21 | 0.28 % | VII | 17 | 0.26 % |
| 47 | ii7/V | 21 | 0.28 % | V(9) | 16 | 0.25 % |
| 48 | IV/V | 17 | 0.22 % | ii6 | 15 | 0.23 % |
| 49 | V(4)/V | 14 | 0.18 % | V65/III | 15 | 0.23 % |
| 50 | V65/V | 14 | 0.18 % | iio6(2) | 14 | 0.22 % |