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% Rerum Deus fonsRerum Deus fons
  2. 🔍 60% Rerum Deus fonsRerum Deus fons
  3. 🔍 35% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  4. 🔍 28% Stans a longeStans a longe
  5. 🔍 28% Nonne sic oportuitNonne sic oportuit
  6. 🔍 28% Misericordia DeiMisericordia Dei
  7. 🔍 28% Illumina Domine sedentesIllumina Domine sedentes
  8. 🔍 27% Misericordia DeiMisericordia Dei
  9. 🔍 27% Respexisti humilitatemRespexisti humilitatem
  10. 🔍 27% A solis ortuA solis ortu
  11. 🔍 26% Virginis proles (I)Virginis proles (I)
  12. 🔍 26% Deus tuorum militumDeus tuorum militum
  13. 🔍 26% Christe sanctorumChriste sanctorum
  14. 🔍 26% Virgo clemensVirgo clemens
  15. 🔍 26% O quantum in CruceO quantum in Cruce
  16. 🔍 25% Salvete Christi vulneraSalvete Christi vulnera
  17. 🔍 25% A progenieA progenie
  18. 🔍 25% Iste confessor (I)Iste confessor (I)
  19. 🔍 25% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  20. 🔍 25% In Deo salutari meoIn Deo salutari meo
  21. 🔍 24% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  22. 🔍 24% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  23. 🔍 24% Deus tuorum militumDeus tuorum militum
  24. 🔍 24% Visita Domine plebemVisita Domine plebem
  25. 🔍 24% Deus tuorum militumDeus tuorum militum
  26. 🔍 24% Visita Domine plebemVisita Domine plebem
  27. 🔍 24% Deus tuorum militumDeus tuorum militum
  28. 🔍 23% Deus tuorum militumDeus tuorum militum
  29. 🔍 22% Redemisti nos DomineRedemisti nos Domine
  30. 🔍 22% Magnificamus teMagnificamus te
  31. 🔍 22% Christe, semper vivensChriste, semper vivens
  32. 🔍 22% Ego sum Deus AbrahamEgo sum Deus Abraham
  33. 🔍 22% Fidelis DominusFidelis Dominus
  34. 🔍 22% Exsultet caelum (II)Exsultet caelum (II)
  35. 🔍 22% Qui luce splendesQui luce splendes
  36. 🔍 22% Fidelis DominusFidelis Dominus
  37. 🔍 21% Optatus votis omniumOptatus votis omnium
  38. 🔍 21% Qui luce splendesQui luce splendes
  39. 🔍 21% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  40. 🔍 21% Rerum omniumRerum omnium
  41. 🔍 21% Credo IVCredo IV
  42. 🔍 20% Decora lux aeternitatisDecora lux aeternitatis
  43. 🔍 20% Auctor beate saeculiAuctor beate saeculi
  44. 🔍 20% Decora lux aeternitatisDecora lux aeternitatis
  45. 🔍 20% PraedicavitPraedicavit
  46. 🔍 20% Salvator mundiSalvator mundi
  47. 🔍 20% Mater ChristiMater Christi
  48. 🔍 20% Magi videntes parvulumMagi videntes parvulum
  49. 🔍 20% En ut superbaEn ut superba
  50. 🔍 20% Jam lucis orto sidereJam lucis orto sidere
  51. 🔍 20% Sapientia hujusSapientia hujus
  52. 🔍 20% Iam ChristusIam Christus
  53. 🔍 20% O gloriosa Dei GenitrixO gloriosa Dei Genitrix
  54. 🔍 20% Qui te posthabitisQui te posthabitis
  55. 🔍 20% Exsultet jam AngelicaExsultet jam Angelica
  56. 🔍 20% Rerum Deus (In Festo Pentecostes)Rerum Deus (In Festo Pentecostes)
  57. 🔍 20% Aeterne Rex altissimeAeterne Rex altissime
  58. 🔍 20% Exsultet caelum (III)Exsultet caelum (III)
  59. 🔍 20% Laetare caelum desuperLaetare caelum desuper
  60. 🔍 20% Tota pulchra es amica (Ant)Tota pulchra es amica (Ant)
  61. 🔍 20% Jam Christus astra ascenderatJam Christus astra ascenderat
  62. 🔍 20% Spiritus DominiSpiritus Domini
  63. 🔍 20% Te beata sponsa ChristiTe beata sponsa Christi
  64. 🔍 20% Crux fidelisCrux fidelis
  65. 🔍 19% Commune vos apostoliCommune vos apostoli