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% Praecursor IoannesPraecursor Ioannes
  2. 🔍 74% Praecursor IoannesPraecursor Ioannes
  3. 🔍 69% Praecursor JoannesPraecursor Joannes
  4. 🔍 29% Peccati aculeusPeccati aculeus
  5. 🔍 25% Puer qui natus est nobisPuer qui natus est nobis
  6. 🔍 22% Peccati aculeusPeccati aculeus
  7. 🔍 22% Baptizatur ChristusBaptizatur Christus
  8. 🔍 22% Gloria XIVGloria XIV
  9. 🔍 21% Hodie caeliHodie caeli
  10. 🔍 21% Inter natosInter natos
  11. 🔍 20% Ex utero ante luciferumEx utero ante luciferum
  12. 🔍 20% Pater noster (ferialis)Pater noster (ferialis)
  13. 🔍 20% Litaniae LauretanaeLitaniae Lauretanae
  14. 🔍 19% Nos qui vivimusNos qui vivimus
  15. 🔍 19% Te DeumTe Deum
  16. 🔍 19% Te DeumTe Deum
  17. 🔍 19% Virgam virtutisVirgam virtutis
  18. 🔍 19% Benedicamus Domino VIBenedicamus Domino VI
  19. 🔍 19% Praefatio ferialis de sancto Ioanne BaptistaPraefatio ferialis de sancto Ioanne Baptista
  20. 🔍 19% Puer natus estPuer natus est
  21. 🔍 19% Hymnus Te DeumHymnus Te Deum
  22. 🔍 19% Ioannes quidemIoannes quidem
  23. 🔍 19% Venite exultemus VIIVenite exultemus VII
  24. 🔍 19% Magnum mysteriumMagnum mysterium
  25. 🔍 19% Vidi aquam (ad libitum)Vidi aquam (ad libitum)
  26. 🔍 19% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  27. 🔍 19% Peccati aculeusPeccati aculeus
  28. 🔍 18% Te Deum (Simple tone)Te Deum (Simple tone)
  29. 🔍 18% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  30. 🔍 18% BaptistaBaptista
  31. 🔍 18% Hymnus Te DeumHymnus Te Deum
  32. 🔍 18% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  33. 🔍 18% O beata MaterO beata Mater
  34. 🔍 18% Fac Domine iudiciumFac Domine iudicium
  35. 🔍 18% Litaniae LauretanaeLitaniae Lauretanae
  36. 🔍 18% Rex nosterRex noster
  37. 🔍 18% Puer natus estPuer natus est
  38. 🔍 18% Ioannes autemIoannes autem
  39. 🔍 18% Te DeumTe Deum
  40. 🔍 18% Ego Dominus sponsaboEgo Dominus sponsabo
  41. 🔍 18% Fac Domine judiciumFac Domine judicium
  42. 🔍 18% Adorate Deum omnesAdorate Deum omnes
  43. 🔍 18% Ipse IesusIpse Iesus
  44. 🔍 18% Audivit DominusAudivit Dominus
  45. 🔍 18% Veterem hominemVeterem hominem
  46. 🔍 18% Fac Domine judiciumFac Domine judicium
  47. 🔍 17% Puer natus estPuer natus est
  48. 🔍 17% Hosanna filio DavidHosanna filio David
  49. 🔍 17% Gloria XIXGloria XIX
  50. 🔍 17% Mysterium EcclesiaeMysterium Ecclesiae
  51. 🔍 17% Te DeumTe Deum
  52. 🔍 17% Te DeumTe Deum
  53. 🔍 17% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  54. 🔍 17% Iuravit DominusIuravit Dominus
  55. 🔍 17% Birgitta Christi famulaBirgitta Christi famula
  56. 🔍 17% Baptizatur ChristusBaptizatur Christus
  57. 🔍 17% Praefatio ferialis de sancto Joanne BaptistaPraefatio ferialis de sancto Joanne Baptista
  58. 🔍 17% Venite exultemus IIIVenite exultemus III
  59. 🔍 17% In mandatisIn mandatis
  60. 🔍 17% Laudate... quoniam IILaudate... quoniam II
  61. 🔍 17% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  62. 🔍 17% Ecce panis angelorumEcce panis angelorum
  63. 🔍 17% Audivit DominusAudivit Dominus
  64. 🔍 17% Estote ergo vosEstote ergo vos
  65. 🔍 17% Credo IV (more ambrosiano)Credo IV (more ambrosiano)