IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-19. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

  1. 🔍 100% In illa dieIn illa die
  2. 🔍 84% In illa dieIn illa die
  3. 🔍 76% In illa dieIn illa die
  4. 🔍 70% In illa dieIn illa die
  5. 🔍 66% In illa dieIn illa die
  6. 🔍 62% In illa dieIn illa die
  7. 🔍 58% In illa dieIn illa die
  8. 🔍 38% In illa dieIn illa die
  9. 🔍 28% Montes et collesMontes et colles
  10. 🔍 28% Ecce Dominus venietEcce Dominus veniet
  11. 🔍 27% Alieni non transibuntAlieni non transibunt
  12. 🔍 24% Lacte quondam profluentesLacte quondam profluentes
  13. 🔍 23% Montes et omnes collesMontes et omnes colles
  14. 🔍 23% Jucundare filiaJucundare filia
  15. 🔍 22% Montes et omnes collesMontes et omnes colles
  16. 🔍 22% Ecce omnes redemptiEcce omnes redempti
  17. 🔍 22% Montes et collesMontes et colles
  18. 🔍 21% Ecce veniet prophetaEcce veniet propheta
  19. 🔍 21% Montes et omnes collesMontes et omnes colles
  20. 🔍 21% Montes et collesMontes et colles
  21. 🔍 21% Dabo in SionDabo in Sion
  22. 🔍 20% Bellabunt adversum te (T.P.)Bellabunt adversum te (T.P.)
  23. 🔍 20% Qui sperantQui sperant
  24. 🔍 20% AlleluiaAlleluia
  25. 🔍 20% Ecce Dominus noster... ut illuminetEcce Dominus noster... ut illuminet
  26. 🔍 20% Mel et lacMel et lac
  27. 🔍 19% Montes et collesMontes et colles
  28. 🔍 19% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  29. 🔍 19% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  30. 🔍 19% Beata es MariaBeata es Maria
  31. 🔍 19% Alleluia. (Sund. P. T. at Lauds II)Alleluia. (Sund. P. T. at Lauds II)
  32. 🔍 19% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  33. 🔍 19% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  34. 🔍 19% Adorabunt eumAdorabunt eum
  35. 🔍 19% Ex quo facta estEx quo facta est
  36. 🔍 19% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  37. 🔍 19% Qui sperantQui sperant
  38. 🔍 19% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  39. 🔍 19% Montes et collesMontes et colles
  40. 🔍 18% Ave maris stella vera mellis stillaAve maris stella vera mellis stilla
  41. 🔍 18% Alleluia (Feria Secunda ad Tertiam T.P.)Alleluia (Feria Secunda ad Tertiam T.P.)
  42. 🔍 18% Ipsi veroIpsi vero
  43. 🔍 18% Candidi facti suntCandidi facti sunt
  44. 🔍 18% Alleluia Omnes GentesAlleluia Omnes Gentes
  45. 🔍 18% Ecce ancilla (in Annunciatione)Ecce ancilla (in Annunciatione)
  46. 🔍 18% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  47. 🔍 18% Qui sunt hiQui sunt hi
  48. 🔍 18% Alleluia (mode 8)Alleluia (mode 8)
  49. 🔍 18% Dabo in SionDabo in Sion
  50. 🔍 18% Coenantibus autemCoenantibus autem
  51. 🔍 18% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  52. 🔍 18% Qui me inveneritQui me invenerit
  53. 🔍 18% Introduxit vosIntroduxit vos
  54. 🔍 18% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  55. 🔍 18% Omnes de SabaOmnes de Saba
  56. 🔍 18% Alleluia (T. P. Laud. Sabb.)Alleluia (T. P. Laud. Sabb.)
  57. 🔍 18% Beatam me dicentBeatam me dicent
  58. 🔍 18% Cognovit eam DominusCognovit eam Dominus
  59. 🔍 18% Ista est quae contempsitIsta est quae contempsit
  60. 🔍 18% Audi Israel praecepta (Resp.)Audi Israel praecepta (Resp.)
  61. 🔍 18% Montes et collesMontes et colles
  62. 🔍 18% Montes et collesMontes et colles
  63. 🔍 18% Fulgebunt justi et tamquamFulgebunt justi et tamquam
  64. 🔍 18% Judaea et JerusalemJudaea et Jerusalem
  65. 🔍 17% Ne timeas Maria (in Annunciatio)Ne timeas Maria (in Annunciatio)