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% Post partum (All)Post partum (All)
  2. 🔍 44% Post partum (All)Post partum (All)
  3. 🔍 30% Post partumPost partum
  4. 🔍 27% Post partum VirgoPost partum Virgo
  5. 🔍 26% Post partum (Resp Br)Post partum (Resp Br)
  6. 🔍 26% Post partumPost partum
  7. 🔍 23% Salve materSalve mater
  8. 🔍 23% Post partum VirgoPost partum Virgo
  9. 🔍 23% Christus passus estChristus passus est
  10. 🔍 23% Juravit DominusJuravit Dominus
  11. 🔍 23% Rogavi pro teRogavi pro te
  12. 🔍 23% Spiritus DominiSpiritus Domini
  13. 🔍 23% Quem terra pontus sideraQuem terra pontus sidera
  14. 🔍 22% VerumtamenVerumtamen
  15. 🔍 22% Salve ReginaSalve Regina
  16. 🔍 22% Salve ReginaSalve Regina
  17. 🔍 22% Ite IXIte IX
  18. 🔍 22% Gaude Dei GenitrixGaude Dei Genitrix
  19. 🔍 21% Post partum (Off)Post partum (Off)
  20. 🔍 21% Beata visceraBeata viscera
  21. 🔍 21% Decora lux aeternitatisDecora lux aeternitatis
  22. 🔍 21% Post partum (Off)Post partum (Off)
  23. 🔍 21% Per te Dei GenitrixPer te Dei Genitrix
  24. 🔍 21% Beate Pastor PetreBeate Pastor Petre
  25. 🔍 21% Haec est diesHaec est dies
  26. 🔍 21% Agnus Dei IIAgnus Dei II
  27. 🔍 21% Gloria IVGloria IV
  28. 🔍 20% Manum suamManum suam
  29. 🔍 20% Exsurge DomineExsurge Domine
  30. 🔍 20% Visitasti terramVisitasti terram
  31. 🔍 20% Credo VCredo V
  32. 🔍 20% Sancta MariaSancta Maria
  33. 🔍 20% Veni Creator SpiritusVeni Creator Spiritus
  34. 🔍 20% Egregie DoctorEgregie Doctor
  35. 🔍 20% Rex summe regumRex summe regum
  36. 🔍 20% Tota pulchra es amica meaTota pulchra es amica mea
  37. 🔍 20% Lux perpetuaLux perpetua
  38. 🔍 20% ConfundanturConfundantur
  39. 🔍 20% O nimis felixO nimis felix
  40. 🔍 20% Solve jubente DeoSolve jubente Deo
  41. 🔍 20% Qui docti fuerint fulgebuntQui docti fuerint fulgebunt
  42. 🔍 19% Quid ultra debuiQuid ultra debui
  43. 🔍 19% Qui me inveneritQui me invenerit
  44. 🔍 19% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  45. 🔍 19% Tota pulchra es Maria (All)Tota pulchra es Maria (All)
  46. 🔍 19% Beata quae credidistiBeata quae credidisti
  47. 🔍 19% Ave Regina... MaterAve Regina... Mater
  48. 🔍 19% O MartineO Martine
  49. 🔍 19% Iste Confessor (Conf. Bishop) 2Iste Confessor (Conf. Bishop) 2
  50. 🔍 19% Regnavit DominusRegnavit Dominus
  51. 🔍 19% Laudate Dominum Deum nostrumLaudate Dominum Deum nostrum
  52. 🔍 19% Iste Confessor (Conf. Bishop) (another chant)Iste Confessor (Conf. Bishop) (another chant)
  53. 🔍 19% Ave Rex nosterAve Rex noster
  54. 🔍 19% Virgines laudentVirgines laudent
  55. 🔍 19% Dicit Dominus : SermonesDicit Dominus : Sermones
  56. 🔍 19% Panem de caeloPanem de caelo
  57. 🔍 19% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  58. 🔍 19% In die resurrectionisIn die resurrectionis
  59. 🔍 19% Exsurgat DeusExsurgat Deus
  60. 🔍 19% Adesto sancta TrinitasAdesto sancta Trinitas
  61. 🔍 18% Jam Christus astraJam Christus astra
  62. 🔍 18% De quacumqueDe quacumque
  63. 🔍 18% Benedicamus IXBenedicamus IX
  64. 🔍 18% Regina mundiRegina mundi
  65. 🔍 18% MemorareMemorare