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% Quomodo obscuratum estQuomodo obscuratum est
  2. 🔍 52% Quomodo sedet solaQuomodo sedet sola
  3. 🔍 51% Vidimus stellamVidimus stellam
  4. 🔍 50% Quomodo obscuratum estQuomodo obscuratum est
  5. 🔍 48% Gloria lausGloria laus
  6. 🔍 48% Verbum supernum prodiens necVerbum supernum prodiens nec
  7. 🔍 47% Matribus suis Matribus suis
  8. 🔍 46% Descendit JesusDescendit Jesus
  9. 🔍 45% Tulerunt JesumTulerunt Jesum
  10. 🔍 45% Vidimus stellamVidimus stellam
  11. 🔍 44% Lauda SionLauda Sion
  12. 🔍 43% Lamentatio VIIILamentatio VIII
  13. 🔍 43% Ego vir vidensEgo vir videns
  14. 🔍 43% Confitebor tibi... DeusConfitebor tibi... Deus
  15. 🔍 43% Laudate DeumLaudate Deum
  16. 🔍 42% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)
  17. 🔍 42% Exsultet gaudioExsultet gaudio
  18. 🔍 42% Vere tu esVere tu es
  19. 🔍 42% Vau. Et egressus estVau. Et egressus est
  20. 🔍 41% O Caput cruentatumO Caput cruentatum
  21. 🔍 40% Vexilla Regis prodeunt (tempore passionis)Vexilla Regis prodeunt (tempore passionis)
  22. 🔍 40% Ego sum resurrectioEgo sum resurrectio
  23. 🔍 40% De Lamentatione...HethDe Lamentatione...Heth
  24. 🔍 40% Lamentatio ILamentatio I
  25. 🔍 40% Incipit lamentatio Jeremiae ProphetaeIncipit lamentatio Jeremiae Prophetae
  26. 🔍 40% Quomodo sedet solaQuomodo sedet sola
  27. 🔍 39% Lamentatio VIILamentatio VII
  28. 🔍 39% Christus factus estChristus factus est
  29. 🔍 39% Sacris solemniisSacris solemniis
  30. 🔍 39% Gaude Mater EcclesiaGaude Mater Ecclesia
  31. 🔍 39% Lamentatio VILamentatio VI
  32. 🔍 39% Multifarie olimMultifarie olim
  33. 🔍 38% Vau. Et egressus estVau. Et egressus est
  34. 🔍 38% Lamed Matribus suis dixeruntLamed Matribus suis dixerunt
  35. 🔍 38% Jubilate Deo universaJubilate Deo universa
  36. 🔍 37% Factus est repenteFactus est repente
  37. 🔍 37% Factus est repenteFactus est repente
  38. 🔍 36% Ecce advenitEcce advenit
  39. 🔍 36% Factus est repente... alleluiaFactus est repente... alleluia
  40. 🔍 36% Lamentatio VLamentatio V
  41. 🔍 35% Cogitavit DominusCogitavit Dominus
  42. 🔍 35% Vau et egressus estVau et egressus est
  43. 🔍 35% Jod Manum suam misitJod Manum suam misit
  44. 🔍 33% Aleph Quomodo obscuratumAleph Quomodo obscuratum
  45. 🔍 33% Sacris solemniis (another chant)Sacris solemniis (another chant)
  46. 🔍 33% Lamentatio IVLamentatio IV
  47. 🔍 31% Kyrie XIKyrie XI
  48. 🔍 31% CollegeruntCollegerunt
  49. 🔍 29% Lamentatio IILamentatio II
  50. 🔍 29% Dicit DominusDicit Dominus
  51. 🔍 28% PosuistiPosuisti
  52. 🔍 28% Lamentationes 7.1 De lamentationeLamentationes 7.1 De lamentatione
  53. 🔍 28% Lamentatio IIILamentatio III
  54. 🔍 26% Reges TharsisReges Tharsis
  55. 🔍 25% Omnes gentes (Comm.)Omnes gentes (Comm.)
  56. 🔍 25% Ave Maris StellaAve Maris Stella
  57. 🔍 25% In nomine Jesu... Ps. DomineIn nomine Jesu... Ps. Domine
  58. 🔍 24% Manum suam misit hostisManum suam misit hostis
  59. 🔍 23% Misit DominusMisit Dominus
  60. 🔍 23% Confirmatum est cor VirginisConfirmatum est cor Virginis
  61. 🔍 22% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  62. 🔍 22% Venite exsultemus (mode 7a solemnis)Venite exsultemus (mode 7a solemnis)
  63. 🔍 22% Laetamini in DominoLaetamini in Domino
  64. 🔍 22% Alma RedemptorisAlma Redemptoris
  65. 🔍 21% Venite exsultemus (mode 7a simplex)Venite exsultemus (mode 7a simplex)