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% Ecce ancilla Domini (In Annuntiatione)Ecce ancilla Domini (In Annuntiatione)
  2. 🔍 68% Ecce ancilla DominiEcce ancilla Domini
  3. 🔍 67% Ecce ancilla DominiEcce ancilla Domini
  4. 🔍 64% Ecce ancilla DominiEcce ancilla Domini
  5. 🔍 60% Ecce ancillaEcce ancilla
  6. 🔍 58% Ecce ancilla DominiEcce ancilla Domini
  7. 🔍 55% Ecce ancilla DominiEcce ancilla Domini
  8. 🔍 52% Ecce ancilla (in Annunciatione)Ecce ancilla (in Annunciatione)
  9. 🔍 50% Ecce ancilla DominiEcce ancilla Domini
  10. 🔍 50% Ecce ancilla DominiEcce ancilla Domini
  11. 🔍 49% Ecce ancilla DominiEcce ancilla Domini
  12. 🔍 38% Ne timeas Maria (In Annuntiatione)Ne timeas Maria (In Annuntiatione)
  13. 🔍 31% Archangelus GabrielArchangelus Gabriel
  14. 🔍 30% Archangelus GabrielArchangelus Gabriel
  15. 🔍 27% Ecce fidelis servusEcce fidelis servus
  16. 🔍 26% Secundum misericordiamSecundum misericordiam
  17. 🔍 25% Angeli DominiAngeli Domini
  18. 🔍 25% Angelus Domini (salutatio angelica)Angelus Domini (salutatio angelica)
  19. 🔍 25% Angelus Domini nuntiavitAngelus Domini nuntiavit
  20. 🔍 25% Ecce venio citoEcce venio cito
  21. 🔍 25% Ancilla dixitAncilla dixit
  22. 🔍 24% Veni Sancte SpiritusVeni Sancte Spiritus
  23. 🔍 24% Ecce JoannaEcce Joanna
  24. 🔍 24% Spiritus DominiSpiritus Domini
  25. 🔍 24% Veni Redemptor gentiumVeni Redemptor gentium
  26. 🔍 24% Ecce JoannaEcce Joanna
  27. 🔍 24% Verbum supernum a PatreVerbum supernum a Patre
  28. 🔍 23% Verbum supernumVerbum supernum
  29. 🔍 23% Ne timeasNe timeas
  30. 🔍 23% Ancilla dixit PetroAncilla dixit Petro
  31. 🔍 23% Ostende nobis DomineOstende nobis Domine
  32. 🔍 23% Crucifixus surrexitCrucifixus surrexit
  33. 🔍 23% Ne timeas... invenistiNe timeas... invenisti
  34. 🔍 23% Ecce JoannaEcce Joanna
  35. 🔍 23% Verbum caro factum est (In Annuntiatione)Verbum caro factum est (In Annuntiatione)
  36. 🔍 22% Verbum caro factum estVerbum caro factum est
  37. 🔍 22% Ecce veniet Dominus ut sedeatEcce veniet Dominus ut sedeat
  38. 🔍 22% Educ de custodiaEduc de custodia
  39. 🔍 22% Ecce Agnus DeiEcce Agnus Dei
  40. 🔍 22% Ave Maria ... alleluiaAve Maria ... alleluia
  41. 🔍 22% Spiritus SanctusSpiritus Sanctus
  42. 🔍 22% Angelus Domini nuntiavit MariaeAngelus Domini nuntiavit Mariae
  43. 🔍 22% DilexistiDilexisti
  44. 🔍 22% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  45. 🔍 22% Ne timeas... invenistiNe timeas... invenisti
  46. 🔍 22% Ecce Dominus venietEcce Dominus veniet
  47. 🔍 22% Fac cum servoFac cum servo
  48. 🔍 22% Verbum caro factum est (In Annuntiatione, Tempore paschali)Verbum caro factum est (In Annuntiatione, Tempore paschali)
  49. 🔍 22% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  50. 🔍 22% Verbum caro factum estVerbum caro factum est
  51. 🔍 21% Te Deum (Solemn tone)Te Deum (Solemn tone)
  52. 🔍 21% Jubilate DeoJubilate Deo
  53. 🔍 21% Ecce in nubibusEcce in nubibus
  54. 🔍 21% Misericordia DominiMisericordia Domini
  55. 🔍 21% Ecce veniet desideratusEcce veniet desideratus
  56. 🔍 21% Ne timeas MariaNe timeas Maria
  57. 🔍 21% Verbo DominiVerbo Domini
  58. 🔍 21% Alleluia faciem tuamAlleluia faciem tuam
  59. 🔍 21% Pie secundumPie secundum
  60. 🔍 21% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  61. 🔍 21% A solis ortusA solis ortus
  62. 🔍 21% Laetare caelum desuperLaetare caelum desuper
  63. 🔍 21% Sacerdos in aeternumSacerdos in aeternum
  64. 🔍 21% Introduxit vosIntroduxit vos
  65. 🔍 21% Verbum caro factum estVerbum caro factum est