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 VIIILamentatio VIII
  2. 🔍 50% Lamentatio VILamentatio VI
  3. 🔍 43% Quomodo obscuratum estQuomodo obscuratum est
  4. 🔍 38% Quomodo obscuratum estQuomodo obscuratum est
  5. 🔍 37% Sacris solemniis (another chant)Sacris solemniis (another chant)
  6. 🔍 36% Quomodo sedet solaQuomodo sedet sola
  7. 🔍 36% Vexilla Regis prodeunt (tempore passionis)Vexilla Regis prodeunt (tempore passionis)
  8. 🔍 36% Vidimus stellamVidimus stellam
  9. 🔍 36% Lamentatio VLamentatio V
  10. 🔍 35% Sacris solemniisSacris solemniis
  11. 🔍 34% Matribus suis Matribus suis
  12. 🔍 33% Lamentatio ILamentatio I
  13. 🔍 33% Ave maris stella (in sollemnitatis)Ave maris stella (in sollemnitatis)
  14. 🔍 33% Lauda SionLauda Sion
  15. 🔍 32% Gloria lausGloria laus
  16. 🔍 32% Aleph Quomodo obscuratumAleph Quomodo obscuratum
  17. 🔍 31% Verbum supernum prodiens necVerbum supernum prodiens nec
  18. 🔍 31% De Lamentatione...HethDe Lamentatione...Heth
  19. 🔍 31% Ave Maris Stella (in Solemnitatibus)Ave Maris Stella (in Solemnitatibus)
  20. 🔍 30% Vidimus stellamVidimus stellam
  21. 🔍 30% Descendit JesusDescendit Jesus
  22. 🔍 30% Vau. Et egressus estVau. Et egressus est
  23. 🔍 30% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  24. 🔍 30% Tulerunt JesumTulerunt Jesum
  25. 🔍 30% Incipit lamentatio Jeremiae ProphetaeIncipit lamentatio Jeremiae Prophetae
  26. 🔍 30% Ave maris stella (I)Ave maris stella (I)
  27. 🔍 29% Exsultet gaudioExsultet gaudio
  28. 🔍 29% Ego vir vidensEgo vir videns
  29. 🔍 29% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)
  30. 🔍 29% Lamentationes 7.1 De lamentationeLamentationes 7.1 De lamentatione
  31. 🔍 29% Ecce advenitEcce advenit
  32. 🔍 29% O Caput cruentatumO Caput cruentatum
  33. 🔍 29% Vau. Et egressus estVau. Et egressus est
  34. 🔍 28% Ave Maris StellaAve Maris Stella
  35. 🔍 28% Lamed Matribus suis dixeruntLamed Matribus suis dixerunt
  36. 🔍 28% Ego sum resurrectioEgo sum resurrectio
  37. 🔍 28% Laudate DeumLaudate Deum
  38. 🔍 28% Vau et egressus estVau et egressus est
  39. 🔍 28% Quomodo sedet solaQuomodo sedet sola
  40. 🔍 28% Lamentatio IVLamentatio IV
  41. 🔍 28% Lamentatio VIILamentatio VII
  42. 🔍 28% Lamentatio IIILamentatio III
  43. 🔍 27% Vere tu esVere tu es
  44. 🔍 27% Confitebor tibi... DeusConfitebor tibi... Deus
  45. 🔍 27% Lamentatio IILamentatio II
  46. 🔍 27% Jod Manum suam misitJod Manum suam misit
  47. 🔍 27% Cogitavit DominusCogitavit Dominus
  48. 🔍 27% Christus factus estChristus factus est
  49. 🔍 26% Gaude Mater EcclesiaGaude Mater Ecclesia
  50. 🔍 26% Christe Fili Dei viviChriste Fili Dei vivi
  51. 🔍 25% Factus est repenteFactus est repente
  52. 🔍 25% Factus est repenteFactus est repente
  53. 🔍 24% Multifarie olimMultifarie olim
  54. 🔍 24% Jubilate Deo universaJubilate Deo universa
  55. 🔍 24% Factus est repente... alleluiaFactus est repente... alleluia
  56. 🔍 23% Virga JesseVirga Jesse
  57. 🔍 23% O per omniaO per omnia
  58. 🔍 23% Venite exsultemus (mode 7a solemnis)Venite exsultemus (mode 7a solemnis)
  59. 🔍 23% Tantum ergo XTantum ergo X
  60. 🔍 22% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  61. 🔍 22% Venite exsultemus (mode 7a simplex)Venite exsultemus (mode 7a simplex)
  62. 🔍 22% Stat cultrix vigilansStat cultrix vigilans
  63. 🔍 22% Te Matrem laudamusTe Matrem laudamus
  64. 🔍 22% O beata MaterO beata Mater
  65. 🔍 22% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)