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% Elegerunt ApostoliElegerunt Apostoli
  2. 🔍 58% Elegerunt ApostoliElegerunt Apostoli
  3. 🔍 43% ElegeruntElegerunt
  4. 🔍 29% ExsultavitExsultavit
  5. 🔍 23% Sanctificavit (verses)Sanctificavit (verses)
  6. 🔍 23% Exaltabo teExaltabo te
  7. 🔍 23% Impetum fecerunt (Resp.)Impetum fecerunt (Resp.)
  8. 🔍 22% In te DomineIn te Domine
  9. 🔍 22% Benedicite Dominum omnes AngeliBenedicite Dominum omnes Angeli
  10. 🔍 22% Christo confixus sumChristo confixus sum
  11. 🔍 22% Posuisti Domine (Off.)Posuisti Domine (Off.)
  12. 🔍 22% Ave MariaAve Maria
  13. 🔍 21% Levabo oculosLevabo oculos
  14. 🔍 21% Exsurge... et intendeExsurge... et intende
  15. 🔍 21% BenedixeruntBenedixerunt
  16. 🔍 21% CommovistiCommovisti
  17. 🔍 21% Exaltabo teExaltabo te
  18. 🔍 21% Judica meJudica me
  19. 🔍 21% Factus es spes meaFactus es spes mea
  20. 🔍 20% DecantaveruntDecantaverunt
  21. 🔍 20% Ave Maria (rhythmic signs)Ave Maria (rhythmic signs)
  22. 🔍 20% CommovistiCommovisti
  23. 🔍 20% DecantaveruntDecantaverunt
  24. 🔍 20% Christo confixus sumChristo confixus sum
  25. 🔍 20% Eripe me Domine de inimicisEripe me Domine de inimicis
  26. 🔍 20% Oravi Deum (verses)Oravi Deum (verses)
  27. 🔍 20% Ave Maria... et benedictusAve Maria... et benedictus
  28. 🔍 20% Si ambulaveroSi ambulavero
  29. 🔍 20% Adducam eosAdducam eos
  30. 🔍 20% Exsurge... non praevaleatExsurge... non praevaleat
  31. 🔍 20% Benedicite DominumBenedicite Dominum
  32. 🔍 20% MagnificatMagnificat
  33. 🔍 20% Jerusalem surgeJerusalem surge
  34. 🔍 20% Adducam eosAdducam eos
  35. 🔍 19% Protege DomineProtege Domine
  36. 🔍 19% Jerusalem surgeJerusalem surge
  37. 🔍 19% Judica meJudica me
  38. 🔍 19% Ostende mihiOstende mihi
  39. 🔍 19% Exsurge Domine DeusExsurge Domine Deus
  40. 🔍 19% Dum clamaremDum clamarem
  41. 🔍 19% Intonant, ecce, per area vocesIntonant, ecce, per area voces
  42. 🔍 19% Impetum feceruntImpetum fecerunt
  43. 🔍 19% Levabo oculosLevabo oculos
  44. 🔍 19% Scapulis suisScapulis suis
  45. 🔍 19% ChristusChristus
  46. 🔍 19% Oravi DeumOravi Deum
  47. 🔍 19% Isti sunt qui veneruntIsti sunt qui venerunt
  48. 🔍 19% Repleatur osRepleatur os
  49. 🔍 19% Ecce crucem DominiEcce crucem Domini
  50. 🔍 19% Lapidabant Stephanum (Resp.)Lapidabant Stephanum (Resp.)
  51. 🔍 18% Diffusa est (Off.)Diffusa est (Off.)
  52. 🔍 18% Ecce virgoEcce virgo
  53. 🔍 18% In excelso thronoIn excelso throno
  54. 🔍 18% Exaudi Domine... tibiExaudi Domine... tibi
  55. 🔍 18% Exsultet jam AngelicaExsultet jam Angelica
  56. 🔍 18% Confiteantur DominoConfiteantur Domino
  57. 🔍 18% Tu es DeusTu es Deus
  58. 🔍 18% Nunc ergoNunc ergo
  59. 🔍 18% Erit vobisErit vobis
  60. 🔍 18% ExaudivitExaudivit
  61. 🔍 18% Qui operatus estQui operatus est
  62. 🔍 18% Ecce oculiEcce oculi
  63. 🔍 18% Repleti sunt omnesRepleti sunt omnes
  64. 🔍 18% Tu gloria JerusalemTu gloria Jerusalem
  65. 🔍 18% Repleatur osRepleatur os