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% Credo Apostolorum (altera melodia)Credo Apostolorum (altera melodia)
  2. 🔍 70% Credo in DeumCredo in Deum
  3. 🔍 59% Credo VIICredo VII
  4. 🔍 48% Credo IV (more ambrosiano)Credo IV (more ambrosiano)
  5. 🔍 47% Credo IICredo II
  6. 🔍 45% Credo (Missa Regia I)Credo (Missa Regia I)
  7. 🔍 43% Credo IICredo II
  8. 🔍 43% Credo IVCredo IV
  9. 🔍 43% Credo I (forma ordinaria)Credo I (forma ordinaria)
  10. 🔍 41% Credo ICredo I
  11. 🔍 40% Credo ICredo I
  12. 🔍 39% Jam morte victor obrutaJam morte victor obruta
  13. 🔍 39% Credo ICredo I
  14. 🔍 39% Quem terra pontus sideraQuem terra pontus sidera
  15. 🔍 39% O Prima VirgoO Prima Virgo
  16. 🔍 39% Jam morte victorJam morte victor
  17. 🔍 39% Credo Missa RegiaCredo Missa Regia
  18. 🔍 38% O prima Virgo proditaO prima Virgo prodita
  19. 🔍 37% In monte olivisIn monte olivis
  20. 🔍 37% Caelestis aulae NuntiusCaelestis aulae Nuntius
  21. 🔍 37% Te gestientem gaudiisTe gestientem gaudiis
  22. 🔍 37% Te gestientem gaudiisTe gestientem gaudiis
  23. 🔍 37% Caelestis aulae nuntiusCaelestis aulae nuntius
  24. 🔍 36% Exsultet jam AngelicaExsultet jam Angelica
  25. 🔍 36% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  26. 🔍 36% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  27. 🔍 36% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  28. 🔍 36% Aurora soli praeviaAurora soli praevia
  29. 🔍 36% O gloriosa virginumO gloriosa virginum
  30. 🔍 36% Credo (Missa secundi Toni)Credo (Missa secundi Toni)
  31. 🔍 35% Credo ICredo I
  32. 🔍 35% Memento rerum conditorMemento rerum conditor
  33. 🔍 35% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  34. 🔍 35% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  35. 🔍 35% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  36. 🔍 34% Gloria LausGloria Laus
  37. 🔍 34% Rerum Deus (BVM)Rerum Deus (BVM)
  38. 🔍 34% Gloria LausGloria Laus
  39. 🔍 34% Gloria VIGloria VI
  40. 🔍 34% Caelo Redemptor praetulitCaelo Redemptor praetulit
  41. 🔍 34% Credo IICredo II
  42. 🔍 33% Credo in Deum IIICredo in Deum III
  43. 🔍 32% Aurora solis nuntiaAurora solis nuntia
  44. 🔍 32% Te DeumTe Deum
  45. 🔍 32% Gloria VGloria V
  46. 🔍 32% Te DeumTe Deum
  47. 🔍 32% Exsultet iam angelicaExsultet iam angelica
  48. 🔍 31% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  49. 🔍 31% Credo VCredo V
  50. 🔍 31% A solis ortusA solis ortus
  51. 🔍 31% Hymnus Te DeumHymnus Te Deum
  52. 🔍 31% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  53. 🔍 31% Quem terra pontus aetheraQuem terra pontus aethera
  54. 🔍 31% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  55. 🔍 31% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  56. 🔍 31% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  57. 🔍 31% Quem terra pontus sideraQuem terra pontus sidera
  58. 🔍 31% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  59. 🔍 31% Christe Redemptor omnium conservaChriste Redemptor omnium conserva
  60. 🔍 30% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  61. 🔍 30% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  62. 🔍 30% Laetare caelum desuperLaetare caelum desuper
  63. 🔍 30% Maria Mater gratiaeMaria Mater gratiae
  64. 🔍 30% In monte olivisIn monte olivis
  65. 🔍 30% Credo I.Credo I.