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% Tristes erant ApostoliTristes erant Apostoli
  2. 🔍 79% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  3. 🔍 79% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  4. 🔍 78% Maiole consors procerumMaiole consors procerum
  5. 🔍 78% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  6. 🔍 77% Tristes erant ApostoliTristes erant Apostoli
  7. 🔍 77% Dum Nocte PulsaDum Nocte Pulsa
  8. 🔍 76% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  9. 🔍 75% Claro paschali gaudioClaro paschali gaudio
  10. 🔍 74% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  11. 🔍 74% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  12. 🔍 71% Paschale mundo gaudiumPaschale mundo gaudium
  13. 🔍 71% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  14. 🔍 71% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  15. 🔍 71% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  16. 🔍 71% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  17. 🔍 69% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  18. 🔍 69% Tristes erant ApostoliTristes erant Apostoli
  19. 🔍 68% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  20. 🔍 68% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  21. 🔍 67% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  22. 🔍 66% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  23. 🔍 65% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  24. 🔍 64% Martyr Dei VenantiusMartyr Dei Venantius
  25. 🔍 62% Tristes erant ApostoliTristes erant Apostoli
  26. 🔍 62% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  27. 🔍 54% Athleta Christi nobilisAthleta Christi nobilis
  28. 🔍 52% Martyr Dei VenantiusMartyr Dei Venantius
  29. 🔍 44% Deus tuorum II Cl.Deus tuorum II Cl.
  30. 🔍 44% Exsultet caelum (II)Exsultet caelum (II)
  31. 🔍 42% Jesu coronaJesu corona
  32. 🔍 41% Jucunda PatrumJucunda Patrum
  33. 🔍 38% Quicumque Christum quaeritisQuicumque Christum quaeritis
  34. 🔍 36% Chorus novae IerusalemChorus novae Ierusalem
  35. 🔍 34% Salutis humanae satorSalutis humanae sator
  36. 🔍 34% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  37. 🔍 34% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  38. 🔍 33% Nunc Sancte Nobis (In Tempore Ascensionis)Nunc Sancte Nobis (In Tempore Ascensionis)
  39. 🔍 33% Nunc Sancte nobis Spiritus (In Ascensione)Nunc Sancte nobis Spiritus (In Ascensione)
  40. 🔍 33% Nunc Sancte Nobis (In Tempore Ascensionis)Nunc Sancte Nobis (In Tempore Ascensionis)
  41. 🔍 33% Aeterna Christi munera ApostolorumAeterna Christi munera Apostolorum
  42. 🔍 32% Quasi tubaQuasi tuba
  43. 🔍 32% Aeterna Christi munera et MartyrumAeterna Christi munera et Martyrum
  44. 🔍 32% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  45. 🔍 32% Certum tenentes (In festis)Certum tenentes (In festis)
  46. 🔍 31% Gloria XIGloria XI
  47. 🔍 31% Crux fidelisCrux fidelis
  48. 🔍 31% Ternis horarum (In festis)Ternis horarum (In festis)
  49. 🔍 30% Stephani victoria!Stephani victoria!
  50. 🔍 30% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  51. 🔍 30% Te Deum (Solemn tone)Te Deum (Solemn tone)
  52. 🔍 30% Rerum Deus fonsRerum Deus fons
  53. 🔍 30% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  54. 🔍 30% Rerum deus tenax vigor (In Ascensione)Rerum deus tenax vigor (In Ascensione)
  55. 🔍 30% O nimis felixO nimis felix
  56. 🔍 30% Adeste sanctiAdeste sancti
  57. 🔍 30% O Salutaris Hostia IV (cantus ad processiones)O Salutaris Hostia IV (cantus ad processiones)
  58. 🔍 30% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  59. 🔍 30% Mente jucundaMente jucunda
  60. 🔍 30% Virginis virgoVirginis virgo
  61. 🔍 30% Rerum Deus tenax vigor (In Ascensione)Rerum Deus tenax vigor (In Ascensione)
  62. 🔍 30% Dicamus laudes (In festis)Dicamus laudes (In festis)
  63. 🔍 29% Jam lucis orto sidere (In Transfiguratione)Jam lucis orto sidere (In Transfiguratione)
  64. 🔍 29% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  65. 🔍 29% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)