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% Sacerdos et PontifexSacerdos et Pontifex
  2. 🔍 82% Sacerdos et Pontifex... oraSacerdos et Pontifex... ora
  3. 🔍 70% Sacerdos et pontifexSacerdos et pontifex
  4. 🔍 67% Sacerdos et Pontifex... sicSacerdos et Pontifex... sic
  5. 🔍 66% Sacerdos et pontifexSacerdos et pontifex
  6. 🔍 48% Sacerdos et pontifexSacerdos et pontifex
  7. 🔍 42% Dilexit justitiam (alt)Dilexit justitiam (alt)
  8. 🔍 37% Dum esset summus pontifexDum esset summus pontifex
  9. 🔍 33% Dum esset summusDum esset summus
  10. 🔍 30% Ecce sacerdos magnusEcce sacerdos magnus
  11. 🔍 30% Euge serve (Conf. Pont.)Euge serve (Conf. Pont.)
  12. 🔍 28% Sancti et justi in DominoSancti et justi in Domino
  13. 🔍 28% Sancti et justi in DominoSancti et justi in Domino
  14. 🔍 28% Iste Sanctus pro legeIste Sanctus pro lege
  15. 🔍 27% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  16. 🔍 27% Dominus dabit virtutemDominus dabit virtutem
  17. 🔍 27% Veni sponsa (II. Vesp.)Veni sponsa (II. Vesp.)
  18. 🔍 27% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  19. 🔍 27% Deus mundi opifexDeus mundi opifex
  20. 🔍 26% Tu es sacerdos (Paschal Time)Tu es sacerdos (Paschal Time)
  21. 🔍 26% Martyr Dei StanislausMartyr Dei Stanislaus
  22. 🔍 26% Locus iste (Paschal Time)Locus iste (Paschal Time)
  23. 🔍 26% Iste Sanctus pro legeIste Sanctus pro lege
  24. 🔍 26% Iste Sanctus pro legeIste Sanctus pro lege
  25. 🔍 26% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  26. 🔍 25% Date ei de fructuDate ei de fructu
  27. 🔍 25% Innocens manibusInnocens manibus
  28. 🔍 25% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  29. 🔍 25% Simile est ... homini negotiatoriSimile est ... homini negotiatori
  30. 🔍 25% Veni sponsa Christi (II Vesperis)Veni sponsa Christi (II Vesperis)
  31. 🔍 25% Veni sponsa (I. Vesp.)Veni sponsa (I. Vesp.)
  32. 🔍 25% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  33. 🔍 25% Amavit eum DominusAmavit eum Dominus
  34. 🔍 25% Beata Dei Genitrix VirgoBeata Dei Genitrix Virgo
  35. 🔍 25% Beata Dei Genitrix VirgoBeata Dei Genitrix Virgo
  36. 🔍 25% Beata Dei Genitrix VirgoBeata Dei Genitrix Virgo
  37. 🔍 25% Sancte Paule ApostoleSancte Paule Apostole
  38. 🔍 25% Sancte Paule ApostoleSancte Paule Apostole
  39. 🔍 25% Sancte Paule ApostoleSancte Paule Apostole
  40. 🔍 25% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  41. 🔍 25% Hic vir despiciensHic vir despiciens
  42. 🔍 25% Filiae Jerusalem veniteFiliae Jerusalem venite
  43. 🔍 24% Filiae Jerusalem veniteFiliae Jerusalem venite
  44. 🔍 24% Ecce ancilla DominiEcce ancilla Domini
  45. 🔍 24% Date ei de fructuDate ei de fructu
  46. 🔍 24% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  47. 🔍 24% Pax vobis ego sumPax vobis ego sum
  48. 🔍 24% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  49. 🔍 24% Tu es pastor oviumTu es pastor ovium
  50. 🔍 24% Tu es pastor oviumTu es pastor ovium
  51. 🔍 24% Tu es pastor oviumTu es pastor ovium
  52. 🔍 24% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  53. 🔍 24% Alleluia LaudateAlleluia Laudate
  54. 🔍 24% Hic vir despiciensHic vir despiciens
  55. 🔍 24% Ecce ancilla DominiEcce ancilla Domini
  56. 🔍 24% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  57. 🔍 24% Ecce in nubibusEcce in nubibus
  58. 🔍 23% Convertere Domine etConvertere Domine et
  59. 🔍 23% Pax vobis ego sumPax vobis ego sum
  60. 🔍 23% Magna est gloria ... allel.Magna est gloria ... allel.
  61. 🔍 23% Magna est gloria ... allel.Magna est gloria ... allel.
  62. 🔍 23% Manum suam aperuitManum suam aperuit
  63. 🔍 23% Beata es MariaBeata es Maria
  64. 🔍 23% Miserere mihiMiserere mihi
  65. 🔍 23% Sacerdos in aeternumSacerdos in aeternum