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% Felix ex fructuFelix ex fructu
  2. 🔍 78% Magnificat (Visit. B. M. V.)Magnificat (Visit. B. M. V.)
  3. 🔍 44% Gloriose PaterGloriose Pater
  4. 🔍 44% Pie PaterPie Pater
  5. 🔍 33% Pie presul et patrone HenricePie presul et patrone Henrice
  6. 🔍 23% OportebatOportebat
  7. 🔍 22% Pii vigilPii vigil
  8. 🔍 21% LaudavitLaudavit
  9. 🔍 20% Spinae rubentSpinae rubent
  10. 🔍 20% Virginem castamVirginem castam
  11. 🔍 20% Dies iraeDies irae
  12. 🔍 19% Dies iraeDies irae
  13. 🔍 18% Auditui meoAuditui meo
  14. 🔍 18% Lucis Creator optimeLucis Creator optime
  15. 🔍 18% Lucis Creator optimeLucis Creator optime
  16. 🔍 18% Factus es spes meaFactus es spes mea
  17. 🔍 18% Inter natosInter natos
  18. 🔍 17% Ave Maris Stella (2)Ave Maris Stella (2)
  19. 🔍 17% Nunc ergoNunc ergo
  20. 🔍 17% Adjuvabit eamAdjuvabit eam
  21. 🔍 17% Ave Maris Stella (Off. BMV in Sab. Alt.)Ave Maris Stella (Off. BMV in Sab. Alt.)
  22. 🔍 17% Benedictus es... in labiisBenedictus es... in labiis
  23. 🔍 17% Quid sumQuid sum
  24. 🔍 17% AntoninusAntoninus
  25. 🔍 17% In conspectu... adorabo (All)In conspectu... adorabo (All)
  26. 🔍 17% Misericordia DominiMisericordia Domini
  27. 🔍 17% Sacerdotes DominiSacerdotes Domini
  28. 🔍 16% Terribilis estTerribilis est
  29. 🔍 16% Cujus vitae sinceraCujus vitae sincera
  30. 🔍 16% Benedicite DominumBenedicite Dominum
  31. 🔍 16% Exultandi et laetandiExultandi et laetandi
  32. 🔍 16% Regnum mundiRegnum mundi
  33. 🔍 16% Dies irae, ad Laudes Quid sum miser...Dies irae, ad Laudes Quid sum miser...
  34. 🔍 16% O nimis felixO nimis felix
  35. 🔍 16% O beata AgnesO beata Agnes
  36. 🔍 16% In conspectu... Domine DeusIn conspectu... Domine Deus
  37. 🔍 16% Haec dies... LapidemHaec dies... Lapidem
  38. 🔍 16% Agnetis almaeAgnetis almae
  39. 🔍 16% Agnus VAgnus V
  40. 🔍 16% Alleluia (ant.)Alleluia (ant.)
  41. 🔍 16% Alleluia (ant.)Alleluia (ant.)
  42. 🔍 16% Benedicat vobisBenedicat vobis
  43. 🔍 16% Regnum mundiRegnum mundi
  44. 🔍 16% Salus et gloriaSalus et gloria
  45. 🔍 16% Deus dum egredererisDeus dum egredereris
  46. 🔍 16% Haec dies... Dicant nuncHaec dies... Dicant nunc
  47. 🔍 15% Confirma hoc... alleluiaConfirma hoc... alleluia
  48. 🔍 15% Ecce Virgo... alleluiaEcce Virgo... alleluia
  49. 🔍 15% Omnes gentes plaudite (All)Omnes gentes plaudite (All)
  50. 🔍 15% Ego sumEgo sum
  51. 🔍 15% Haec dies... Dicant nuncHaec dies... Dicant nunc
  52. 🔍 15% Sacerdotes DominiSacerdotes Domini
  53. 🔍 15% Beatus vir qui timetBeatus vir qui timet
  54. 🔍 15% Agnus Dei IX (forma ordinaria)Agnus Dei IX (forma ordinaria)
  55. 🔍 15% Lignum vitae quaerimus!Lignum vitae quaerimus!
  56. 🔍 15% Benedicamus Domino (III)Benedicamus Domino (III)
  57. 🔍 15% Adjuvabit eamAdjuvabit eam
  58. 🔍 15% Jesu ChristeJesu Christe
  59. 🔍 15% Ad DominumAd Dominum
  60. 🔍 15% O radiosum liliumO radiosum lilium
  61. 🔍 15% Lucis creatorLucis creator
  62. 🔍 15% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  63. 🔍 15% Haec dies... LapidemHaec dies... Lapidem
  64. 🔍 15% Dextram meam et collum (Resp.)Dextram meam et collum (Resp.)
  65. 🔍 15% Sicut oculiSicut oculi