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% Ave Maris Stella (Off. BMV in Sab. Alt.)Ave Maris Stella (Off. BMV in Sab. Alt.)
  2. 🔍 44% Ave Maris Stella (2)Ave Maris Stella (2)
  3. 🔍 44% Ave Maris Stella (Off. BMV in Sab.)Ave Maris Stella (Off. BMV in Sab.)
  4. 🔍 43% Ave Maris StellaAve Maris Stella
  5. 🔍 40% Ave maris stella (Officium Parvum)Ave maris stella (Officium Parvum)
  6. 🔍 39% Ave maris stella (II)Ave maris stella (II)
  7. 🔍 32% Ave maris stella (in sollemnitatis)Ave maris stella (in sollemnitatis)
  8. 🔍 32% Lux o decora patriaeLux o decora patriae
  9. 🔍 30% Exsultet jam AngelicaExsultet jam Angelica
  10. 🔍 30% Ave Maris Stella (in Solemnitatibus)Ave Maris Stella (in Solemnitatibus)
  11. 🔍 30% Deus tuorum militumDeus tuorum militum
  12. 🔍 29% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  13. 🔍 29% Martyr Dei qui unicumMartyr Dei qui unicum
  14. 🔍 29% Ave Maris stellaAve Maris stella
  15. 🔍 29% Tibi Redemptor omniumTibi Redemptor omnium
  16. 🔍 29% Ave maris stella (I)Ave maris stella (I)
  17. 🔍 28% Ave maris stella (another chant)Ave maris stella (another chant)
  18. 🔍 28% Ave Maris Stella (in sollemnitatibus)Ave Maris Stella (in sollemnitatibus)
  19. 🔍 28% Auctor salutis uniceAuctor salutis unice
  20. 🔍 28% Auctor salutisAuctor salutis
  21. 🔍 27% Jesse proles quibus dolesJesse proles quibus doles
  22. 🔍 27% Tu natale solum protegeTu natale solum protege
  23. 🔍 27% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  24. 🔍 27% Non illam cruciansNon illam crucians
  25. 🔍 27% Tu natale solumTu natale solum
  26. 🔍 27% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  27. 🔍 26% Verbum supernum prodiens aVerbum supernum prodiens a
  28. 🔍 26% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  29. 🔍 26% Verbum supernum prodiens a Verbum supernum prodiens a
  30. 🔍 26% Non fraus magnanimumNon fraus magnanimum
  31. 🔍 26% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  32. 🔍 26% Gloria IGloria I
  33. 🔍 26% O sator rerumO sator rerum
  34. 🔍 26% Ave, Maris Stella(In Solemnitatibus)Ave, Maris Stella(In Solemnitatibus)
  35. 🔍 26% Martinae celebriMartinae celebri
  36. 🔍 26% Te dicimus praeconio materTe dicimus praeconio mater
  37. 🔍 26% Martinae celebri plauditeMartinae celebri plaudite
  38. 🔍 26% Praefatio solemnis de sanctissima TrinitatePraefatio solemnis de sanctissima Trinitate
  39. 🔍 26% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  40. 🔍 25% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  41. 🔍 25% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  42. 🔍 25% Te lucis ante terminum (In Tempore Passionis)Te lucis ante terminum (In Tempore Passionis)
  43. 🔍 25% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  44. 🔍 25% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  45. 🔍 25% Praefatio solemnis de sancta CrucePraefatio solemnis de sancta Cruce
  46. 🔍 25% O lux beata TrinitasO lux beata Trinitas
  47. 🔍 25% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  48. 🔍 25% Praefatio de S. WillibrordoPraefatio de S. Willibrordo
  49. 🔍 25% Praefatio solemnior de Omnibus Sanctis et PatronisPraefatio solemnior de Omnibus Sanctis et Patronis
  50. 🔍 25% Gloria XIGloria XI
  51. 🔍 25% Qui lacrimatusQui lacrimatus
  52. 🔍 25% Lux o decora patriaeLux o decora patriae
  53. 🔍 25% Omnis expertem maculaeOmnis expertem maculae
  54. 🔍 25% Praefatio in Annuntiatione Domini die 25 martiiPraefatio in Annuntiatione Domini die 25 martii
  55. 🔍 25% Praefatio de Adventu IPraefatio de Adventu I
  56. 🔍 24% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  57. 🔍 24% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  58. 🔍 24% Laetare caelum desuperLaetare caelum desuper
  59. 🔍 24% Omnis expertemOmnis expertem
  60. 🔍 24% Dicamus laudes (In festis)Dicamus laudes (In festis)
  61. 🔍 24% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  62. 🔍 24% Praefatio solemnior de sancto Ioseph Sponso B. M. V.Praefatio solemnior de sancto Ioseph Sponso B. M. V.
  63. 🔍 24% Ternis horarum (In festis)Ternis horarum (In festis)
  64. 🔍 24% Praefatio de Beata Maria Virgine IPraefatio de Beata Maria Virgine I
  65. 🔍 24% Praefatio solemnis de sanctissima EucharistiaPraefatio solemnis de sanctissima Eucharistia