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 Pontifex... oraSacerdos et Pontifex... ora
  2. 🔍 82% Sacerdos et PontifexSacerdos et Pontifex
  3. 🔍 71% Sacerdos et Pontifex... sicSacerdos et Pontifex... sic
  4. 🔍 71% Sacerdos et pontifexSacerdos et pontifex
  5. 🔍 69% Sacerdos et pontifexSacerdos et pontifex
  6. 🔍 56% Dilexit justitiam (alt)Dilexit justitiam (alt)
  7. 🔍 50% Sacerdos et pontifexSacerdos et pontifex
  8. 🔍 33% Ecce sacerdos magnusEcce sacerdos magnus
  9. 🔍 32% Dum esset summus pontifexDum esset summus pontifex
  10. 🔍 29% Deus mundi opifexDeus mundi opifex
  11. 🔍 27% Dum esset summusDum esset summus
  12. 🔍 26% Martyr Dei StanislausMartyr Dei Stanislaus
  13. 🔍 25% Sacerdos in aeternumSacerdos in aeternum
  14. 🔍 25% Mortuus sumMortuus sum
  15. 🔍 25% Dum intraretDum intraret
  16. 🔍 25% Ecce in nubibusEcce in nubibus
  17. 🔍 25% Montes et collesMontes et colles
  18. 🔍 25% Tu es sacerdos (Paschal Time)Tu es sacerdos (Paschal Time)
  19. 🔍 25% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  20. 🔍 24% Locus iste (Paschal Time)Locus iste (Paschal Time)
  21. 🔍 24% Sacerdos Dei Martine pastorSacerdos Dei Martine pastor
  22. 🔍 24% Lapides pretiosiLapides pretiosi
  23. 🔍 24% Fecit mihi magnaFecit mihi magna
  24. 🔍 24% Alleluia LaudateAlleluia Laudate
  25. 🔍 24% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  26. 🔍 24% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  27. 🔍 24% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  28. 🔍 23% Juravit DominusJuravit Dominus
  29. 🔍 23% Nemo in eum misitNemo in eum misit
  30. 🔍 23% Inclinavit se JesusInclinavit se Jesus
  31. 🔍 23% Miserere mihiMiserere mihi
  32. 🔍 23% Pontifex sacerdosPontifex sacerdos
  33. 🔍 23% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  34. 🔍 23% Dominus dabit virtutemDominus dabit virtutem
  35. 🔍 23% Pontifex sacerdosPontifex sacerdos
  36. 🔍 22% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  37. 🔍 22% Tu DomineTu Domine
  38. 🔍 22% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  39. 🔍 22% Joseph opifex sancteJoseph opifex sancte
  40. 🔍 22% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  41. 🔍 22% Deus a LibanoDeus a Libano
  42. 🔍 22% Euge serve bone (Conf. Pont.)Euge serve bone (Conf. Pont.)
  43. 🔍 22% Dominus dabitDominus dabit
  44. 🔍 22% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  45. 🔍 22% In patientia vestraIn patientia vestra
  46. 🔍 22% In patientia vestraIn patientia vestra
  47. 🔍 22% Angeli DominiAngeli Domini
  48. 🔍 22% Dum esset summus PontifexDum esset summus Pontifex
  49. 🔍 22% Hodie Simon PetrusHodie Simon Petrus
  50. 🔍 22% Hodie Simon PetrusHodie Simon Petrus
  51. 🔍 22% Non recedet lausNon recedet laus
  52. 🔍 22% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  53. 🔍 22% Alleluia deduc me. (Sundays throughout the year at Terce)Alleluia deduc me. (Sundays throughout the year at Terce)
  54. 🔍 22% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  55. 🔍 22% Erunt pravaErunt prava
  56. 🔍 21% Cum transiretCum transiret
  57. 🔍 21% Dabo in SionDabo in Sion
  58. 🔍 21% Tu gloria JerusalemTu gloria Jerusalem
  59. 🔍 21% Similabo eumSimilabo eum
  60. 🔍 21% Tu es sacerdosTu es sacerdos
  61. 🔍 21% Deus autem nosterDeus autem noster
  62. 🔍 21% Veni electa meaVeni electa mea
  63. 🔍 21% Ancilla dixit PetroAncilla dixit Petro
  64. 🔍 21% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  65. 🔍 21% Locus isteLocus iste