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% O Doctor Optime (nomina doctorum)O Doctor Optime (nomina doctorum)
  2. 🔍 79% O Doctor optime (nomina doctorum)O Doctor optime (nomina doctorum)
  3. 🔍 50% O Doctor optime(Athanasi)O Doctor optime(Athanasi)
  4. 🔍 31% O doctor optime... BernardeO doctor optime... Bernarde
  5. 🔍 28% O Doctor optimeO Doctor optime
  6. 🔍 24% Beatam me dicentBeatam me dicent
  7. 🔍 23% Beatam me dicentBeatam me dicent
  8. 🔍 23% Obviam sacratissimis pignoribusObviam sacratissimis pignoribus
  9. 🔍 22% Jam lucis orto sidere (Festis Minoribus per annum)Jam lucis orto sidere (Festis Minoribus per annum)
  10. 🔍 22% Beatam me dicentBeatam me dicent
  11. 🔍 22% Dicamus laudes (In memoriis)Dicamus laudes (In memoriis)
  12. 🔍 22% Ingresso ZachariaIngresso Zacharia
  13. 🔍 21% Exaltata est Virgo MariaExaltata est Virgo Maria
  14. 🔍 21% O Rex gentiumO Rex gentium
  15. 🔍 21% Ne timeas MariaNe timeas Maria
  16. 🔍 21% Ternis horarum (In memoriis)Ternis horarum (In memoriis)
  17. 🔍 21% Certum tenentes (In memoriis)Certum tenentes (In memoriis)
  18. 🔍 20% Exaltata est Virgo MariaExaltata est Virgo Maria
  19. 🔍 20% Rerum Deus (In Festis Minoribus)Rerum Deus (In Festis Minoribus)
  20. 🔍 20% Exaltata est (Ss. Rosarii)Exaltata est (Ss. Rosarii)
  21. 🔍 20% Dixit autem Dominus servoDixit autem Dominus servo
  22. 🔍 20% Rector potens (In Festis Minoribus)Rector potens (In Festis Minoribus)
  23. 🔍 20% Conversus estConversus est
  24. 🔍 20% Ingresso Zacharia templumIngresso Zacharia templum
  25. 🔍 20% Nunc Sancte nobis (in Festis Minoribus)Nunc Sancte nobis (in Festis Minoribus)
  26. 🔍 19% Malos male perdetMalos male perdet
  27. 🔍 19% Dixerunt mundi rectoresDixerunt mundi rectores
  28. 🔍 19% Ingresso Zacharia templumIngresso Zacharia templum
  29. 🔍 19% Beata es MariaBeata es Maria
  30. 🔍 19% Descendit Jesus cum eis (Ant.)Descendit Jesus cum eis (Ant.)
  31. 🔍 19% Ne timeas Maria ... allel.Ne timeas Maria ... allel.
  32. 🔍 19% Rerum Deus tenax vigor (in memoriis)Rerum Deus tenax vigor (in memoriis)
  33. 🔍 19% Venite exsultemus EVenite exsultemus E
  34. 🔍 19% Beata es MariaBeata es Maria
  35. 🔍 19% Rector potens verax deus (in memoriis)Rector potens verax deus (in memoriis)
  36. 🔍 19% Mecum enimMecum enim
  37. 🔍 19% Malos male perdetMalos male perdet
  38. 🔍 19% Dixit autem dominus servoDixit autem dominus servo
  39. 🔍 19% O radix JesseO radix Jesse
  40. 🔍 18% Praeclara salutis auroraPraeclara salutis aurora
  41. 🔍 18% Quid faciam quia dominusQuid faciam quia dominus
  42. 🔍 18% Petrus et JoannesPetrus et Joannes
  43. 🔍 18% Ne timeas MariaNe timeas Maria
  44. 🔍 18% Hesterna dieHesterna die
  45. 🔍 18% Beata es MariaBeata es Maria
  46. 🔍 18% Si quis sitisSi quis sitis
  47. 🔍 18% Venite exsultemus (mode 7a solemnis)Venite exsultemus (mode 7a solemnis)
  48. 🔍 18% Fuit homoFuit homo
  49. 🔍 18% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  50. 🔍 18% Nunc Sancte (in Memoriis)Nunc Sancte (in Memoriis)
  51. 🔍 18% Sana animam meamSana animam meam
  52. 🔍 17% Posuisti ut arcumPosuisti ut arcum
  53. 🔍 17% Ut queant laxisUt queant laxis
  54. 🔍 17% Sancte Pater Benedicte (Tonus Simplex)Sancte Pater Benedicte (Tonus Simplex)
  55. 🔍 17% Si quis sitis, veniat ad meSi quis sitis, veniat ad me
  56. 🔍 17% Ut queant laxis resonareUt queant laxis resonare
  57. 🔍 17% Venite Exultemus DominoVenite Exultemus Domino
  58. 🔍 17% Venite Exultemus DominoVenite Exultemus Domino
  59. 🔍 17% Lucis Creator optimeLucis Creator optime
  60. 🔍 17% Surge jam terrisSurge jam terris
  61. 🔍 17% Gloria Patri (mode VII)Gloria Patri (mode VII)
  62. 🔍 17% Audi filia et vide (Resp. Br.)Audi filia et vide (Resp. Br.)
  63. 🔍 17% De illa occulta (Resp.)De illa occulta (Resp.)
  64. 🔍 17% Venite benedictiVenite benedicti
  65. 🔍 17% Beatus AndreasBeatus Andreas