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% Sancte Paule ApostoleSancte Paule Apostole
  2. 🔍 78% Sancte Paule ApostoleSancte Paule Apostole
  3. 🔍 78% Sancte Paule ApostoleSancte Paule Apostole
  4. 🔍 78% Sancte Paule ApostoleSancte Paule Apostole
  5. 🔍 50% Sancte Paule ApostoleSancte Paule Apostole
  6. 🔍 50% Sancte Paule ApostoleSancte Paule Apostole
  7. 🔍 48% Sancte Paule ApostoleSancte Paule Apostole
  8. 🔍 43% Dixit autem dominusDixit autem dominus
  9. 🔍 42% Ne timeasNe timeas
  10. 🔍 42% Oleum effusumOleum effusum
  11. 🔍 42% Pater manifestaviPater manifestavi
  12. 🔍 42% Serve boneServe bone
  13. 🔍 41% Ne timeas... alleluiaNe timeas... alleluia
  14. 🔍 41% Rex pacificusRex pacificus
  15. 🔍 41% Usque modoUsque modo
  16. 🔍 41% Beata Agnes in medioBeata Agnes in medio
  17. 🔍 41% O Doctor optimeO Doctor optime
  18. 🔍 40% Quid faciamQuid faciam
  19. 🔍 40% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  20. 🔍 40% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  21. 🔍 40% Venite ad meVenite ad me
  22. 🔍 40% Beata es Maria (Visitation)Beata es Maria (Visitation)
  23. 🔍 40% Elegit eamElegit eam
  24. 🔍 39% Magna opera DominiMagna opera Domini
  25. 🔍 39% Triduanas a DominoTriduanas a Domino
  26. 🔍 38% Parvulus filiusParvulus filius
  27. 🔍 38% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  28. 🔍 38% Sancte Paule apostoleSancte Paule apostole
  29. 🔍 38% Spiritus Domini replevitSpiritus Domini replevit
  30. 🔍 38% Est secretumEst secretum
  31. 🔍 38% Spiritus Domini replevitSpiritus Domini replevit
  32. 🔍 38% Mecum enimMecum enim
  33. 🔍 38% Laus Deo PatriLaus Deo Patri
  34. 🔍 38% Malos male perdetMalos male perdet
  35. 🔍 38% Judaea et JerusalemJudaea et Jerusalem
  36. 🔍 38% Crastina dieCrastina die
  37. 🔍 38% Innuebant patriInnuebant patri
  38. 🔍 38% Petrus ApostolusPetrus Apostolus
  39. 🔍 37% Si quis diligit meSi quis diligit me
  40. 🔍 37% Si quis diligit meSi quis diligit me
  41. 🔍 37% Apertis thesaurisApertis thesauris
  42. 🔍 37% Omnis spiritusOmnis spiritus
  43. 🔍 37% Spiritus quiSpiritus qui
  44. 🔍 37% Dixit Dominus DominoDixit Dominus Domino
  45. 🔍 37% Virgo prudentissimaVirgo prudentissima
  46. 🔍 37% Damasci praepositusDamasci praepositus
  47. 🔍 37% Specie tuaSpecie tua
  48. 🔍 37% Hodie nomen tuumHodie nomen tuum
  49. 🔍 37% Post partumPost partum
  50. 🔍 36% Scriptum est enim quiaScriptum est enim quia
  51. 🔍 36% Benedico... FiliumBenedico... Filium
  52. 🔍 36% ExtollensExtollens
  53. 🔍 36% Sepelierunt StephanumSepelierunt Stephanum
  54. 🔍 36% Exaltata est Virgo MariaExaltata est Virgo Maria
  55. 🔍 36% Dixit Dominus ad NoeDixit Dominus ad Noe
  56. 🔍 36% Et ipse JesusEt ipse Jesus
  57. 🔍 36% Euge serve bone (Conf. Pont.)Euge serve bone (Conf. Pont.)
  58. 🔍 36% Dominus venietDominus veniet
  59. 🔍 36% Scriptum est enim quiaScriptum est enim quia
  60. 🔍 36% Scapulis suisScapulis suis
  61. 🔍 36% ConvertereConvertere
  62. 🔍 36% DefeceruntDefecerunt
  63. 🔍 36% In omnem terramIn omnem terram
  64. 🔍 36% Prae timore autemPrae timore autem
  65. 🔍 36% Voca operariosVoca operarios