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% Manum suamManum suam
  2. 🔍 76% Manum suam aperuitManum suam aperuit
  3. 🔍 45% Manum suam aperuitManum suam aperuit
  4. 🔍 41% Date ei de fructuDate ei de fructu
  5. 🔍 41% Qui odit animam suamQui odit animam suam
  6. 🔍 39% Ne timeasNe timeas
  7. 🔍 38% Ne timeas... alleluiaNe timeas... alleluia
  8. 🔍 37% Cum autemCum autem
  9. 🔍 37% Judaea et JerusalemJudaea et Jerusalem
  10. 🔍 36% Manum suamManum suam
  11. 🔍 36% Si quis diligit meSi quis diligit me
  12. 🔍 36% Si quis diligit meSi quis diligit me
  13. 🔍 35% Exaltata est Virgo MariaExaltata est Virgo Maria
  14. 🔍 35% Sancte Paule ApostoleSancte Paule Apostole
  15. 🔍 35% Euge serve bone (Conf. non Pont.)Euge serve bone (Conf. non Pont.)
  16. 🔍 34% Spiritus quiSpiritus qui
  17. 🔍 34% Triduanas a DominoTriduanas a Domino
  18. 🔍 34% Hodie nomen tuumHodie nomen tuum
  19. 🔍 34% Usque modoUsque modo
  20. 🔍 34% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  21. 🔍 34% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  22. 🔍 34% Exi cito in plateasExi cito in plateas
  23. 🔍 33% Veni sponsa Christi (I Vesperis)Veni sponsa Christi (I Vesperis)
  24. 🔍 33% Unus militumUnus militum
  25. 🔍 33% Unus militumUnus militum
  26. 🔍 33% Est secretumEst secretum
  27. 🔍 33% Spiritus Domini replevitSpiritus Domini replevit
  28. 🔍 33% Angelus autem DominiAngelus autem Domini
  29. 🔍 33% Quid faciamQuid faciam
  30. 🔍 33% Beata es Maria (Visitation)Beata es Maria (Visitation)
  31. 🔍 33% Spiritus Domini replevitSpiritus Domini replevit
  32. 🔍 32% Omnis sapientiaOmnis sapientia
  33. 🔍 32% Miserere mihiMiserere mihi
  34. 🔍 32% Dabo in SionDabo in Sion
  35. 🔍 32% Ut audivitUt audivit
  36. 🔍 32% Immittet AngelusImmittet Angelus
  37. 🔍 32% Zachaee festinansZachaee festinans
  38. 🔍 32% O Doctor optimeO Doctor optime
  39. 🔍 31% Benedicta es tuBenedicta es tu
  40. 🔍 31% Magna opera DominiMagna opera Domini
  41. 🔍 31% Hic vir despiciensHic vir despiciens
  42. 🔍 31% Prae timore autemPrae timore autem
  43. 🔍 31% Qui odit animam suamQui odit animam suam
  44. 🔍 31% Qui odit animam suamQui odit animam suam
  45. 🔍 31% Sapientia clamitatSapientia clamitat
  46. 🔍 31% Ecce fidelis servusEcce fidelis servus
  47. 🔍 31% Spiritus Domini replevitSpiritus Domini replevit
  48. 🔍 31% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  49. 🔍 31% Memoriam fecitMemoriam fecit
  50. 🔍 31% Benedico... FiliumBenedico... Filium
  51. 🔍 31% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  52. 🔍 31% Respexit meRespexit me
  53. 🔍 31% Similabo eumSimilabo eum
  54. 🔍 31% Rex pacificusRex pacificus
  55. 🔍 31% Cum audisset JobCum audisset Job
  56. 🔍 31% Manum suamManum suam
  57. 🔍 31% Haec locutus sum vobisHaec locutus sum vobis
  58. 🔍 31% Dum esset summusDum esset summus
  59. 🔍 31% Gloria in excelsisGloria in excelsis
  60. 🔍 31% Et dicebantEt dicebant
  61. 🔍 31% Dum fortisDum fortis
  62. 🔍 31% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  63. 🔍 31% Stephanus viditStephanus vidit
  64. 🔍 30% Pater manifestaviPater manifestavi
  65. 🔍 30% Ego autem in DominoEgo autem in Domino