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: 2025-12-20. 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% Lamentatio VILamentatio VI
  2. 🔍 50% Lamentatio VIIILamentatio VIII
  3. 🔍 44% Vidimus stellamVidimus stellam
  4. 🔍 44% Ego vir vidensEgo vir videns
  5. 🔍 41% Gloria lausGloria laus
  6. 🔍 40% Descendit JesusDescendit Jesus
  7. 🔍 40% Vexilla Regis prodeunt (tempore passionis)Vexilla Regis prodeunt (tempore passionis)
  8. 🔍 39% Quomodo sedet solaQuomodo sedet sola
  9. 🔍 39% Quomodo obscuratum estQuomodo obscuratum est
  10. 🔍 38% Verbum supernum prodiens necVerbum supernum prodiens nec
  11. 🔍 38% Tulerunt JesumTulerunt Jesum
  12. 🔍 38% Vidimus stellamVidimus stellam
  13. 🔍 37% Exsultet gaudioExsultet gaudio
  14. 🔍 37% Sacris solemniis (another chant)Sacris solemniis (another chant)
  15. 🔍 36% Laudate DeumLaudate Deum
  16. 🔍 36% Matribus suis Matribus suis
  17. 🔍 36% Sacris solemniisSacris solemniis
  18. 🔍 35% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)
  19. 🔍 35% Ego sum resurrectioEgo sum resurrectio
  20. 🔍 35% Vere tu esVere tu es
  21. 🔍 35% Confitebor tibi... DeusConfitebor tibi... Deus
  22. 🔍 35% O Caput cruentatumO Caput cruentatum
  23. 🔍 35% Lauda SionLauda Sion
  24. 🔍 34% Lamentatio ILamentatio I
  25. 🔍 33% Lamentatio VIILamentatio VII
  26. 🔍 33% Christus factus estChristus factus est
  27. 🔍 32% Lamentatio VLamentatio V
  28. 🔍 32% Gaude Mater EcclesiaGaude Mater Ecclesia
  29. 🔍 32% Quomodo obscuratum estQuomodo obscuratum est
  30. 🔍 31% Incipit lamentatio Jeremiae ProphetaeIncipit lamentatio Jeremiae Prophetae
  31. 🔍 31% Jubilate Deo universaJubilate Deo universa
  32. 🔍 31% De Lamentatione...HethDe Lamentatione...Heth
  33. 🔍 31% Quomodo sedet solaQuomodo sedet sola
  34. 🔍 30% Lamentatio IILamentatio II
  35. 🔍 30% Jod Manum suam misitJod Manum suam misit
  36. 🔍 30% Ecce advenitEcce advenit
  37. 🔍 30% Lamed Matribus suis dixeruntLamed Matribus suis dixerunt
  38. 🔍 30% Multifarie olimMultifarie olim
  39. 🔍 29% Vau. Et egressus estVau. Et egressus est
  40. 🔍 29% Factus est repente... alleluiaFactus est repente... alleluia
  41. 🔍 29% Aleph Ego vir vidensAleph Ego vir videns
  42. 🔍 28% Factus est repenteFactus est repente
  43. 🔍 28% Lamentatio IIILamentatio III
  44. 🔍 28% Vau. Et egressus estVau. Et egressus est
  45. 🔍 27% Kyrie XIKyrie XI
  46. 🔍 27% Lamentatio IVLamentatio IV
  47. 🔍 27% Factus est repenteFactus est repente
  48. 🔍 27% Cogitavit DominusCogitavit Dominus
  49. 🔍 26% Dicit DominusDicit Dominus
  50. 🔍 26% Vau et egressus estVau et egressus est
  51. 🔍 25% Ave Maris StellaAve Maris Stella
  52. 🔍 24% PosuistiPosuisti
  53. 🔍 23% CollegeruntCollegerunt
  54. 🔍 23% Reges TharsisReges Tharsis
  55. 🔍 23% Omnes gentes (Comm.)Omnes gentes (Comm.)
  56. 🔍 20% Manum suam misit hostisManum suam misit hostis
  57. 🔍 20% Christe Fili Dei viviChriste Fili Dei vivi
  58. 🔍 20% Misit DominusMisit Dominus
  59. 🔍 19% Laetamini in DominoLaetamini in Domino
  60. 🔍 19% In nomine Jesu... Ps. DomineIn nomine Jesu... Ps. Domine
  61. 🔍 19% Confirmatum est cor VirginisConfirmatum est cor Virginis
  62. 🔍 19% Venite exsultemus (mode 7a solemnis)Venite exsultemus (mode 7a solemnis)
  63. 🔍 19% Alma RedemptorisAlma Redemptoris
  64. 🔍 18% MemorareMemorare
  65. 🔍 17% Alma Redemptoris (simple tone)Alma Redemptoris (simple tone)