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% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  2. 🔍 77% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  3. 🔍 74% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  4. 🔍 74% Tristes erant ApostoliTristes erant Apostoli
  5. 🔍 73% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  6. 🔍 73% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  7. 🔍 72% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  8. 🔍 72% Dum Nocte PulsaDum Nocte Pulsa
  9. 🔍 72% Maiole consors procerumMaiole consors procerum
  10. 🔍 65% Tristes erant ApostoliTristes erant Apostoli
  11. 🔍 64% Martyr Dei VenantiusMartyr Dei Venantius
  12. 🔍 63% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  13. 🔍 63% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  14. 🔍 63% Paschale mundo gaudiumPaschale mundo gaudium
  15. 🔍 63% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  16. 🔍 63% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  17. 🔍 63% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  18. 🔍 63% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  19. 🔍 62% Claro paschali gaudioClaro paschali gaudio
  20. 🔍 62% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  21. 🔍 62% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  22. 🔍 62% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  23. 🔍 61% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  24. 🔍 59% Tristes erant ApostoliTristes erant Apostoli
  25. 🔍 53% Martyr Dei VenantiusMartyr Dei Venantius
  26. 🔍 53% Summi sacerdos NuminisSummi sacerdos Numinis
  27. 🔍 52% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  28. 🔍 52% Athleta Christi nobilisAthleta Christi nobilis
  29. 🔍 52% Tristes erant ApostoliTristes erant Apostoli
  30. 🔍 41% Exsultet caelum (II)Exsultet caelum (II)
  31. 🔍 39% Deus tuorum II Cl.Deus tuorum II Cl.
  32. 🔍 39% Jesu coronaJesu corona
  33. 🔍 36% Jucunda PatrumJucunda Patrum
  34. 🔍 34% Quicumque Christum quaeritisQuicumque Christum quaeritis
  35. 🔍 33% Chorus novae IerusalemChorus novae Ierusalem
  36. 🔍 31% Nunc Sancte Nobis (In Tempore Ascensionis)Nunc Sancte Nobis (In Tempore Ascensionis)
  37. 🔍 31% Salutis humanae satorSalutis humanae sator
  38. 🔍 31% Nunc Sancte nobis Spiritus (In Ascensione)Nunc Sancte nobis Spiritus (In Ascensione)
  39. 🔍 31% Nunc Sancte Nobis (In Tempore Ascensionis)Nunc Sancte Nobis (In Tempore Ascensionis)
  40. 🔍 30% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  41. 🔍 30% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  42. 🔍 30% Quasi tubaQuasi tuba
  43. 🔍 30% Aeterna Christi munera ApostolorumAeterna Christi munera Apostolorum
  44. 🔍 29% Aeterna Christi munera et MartyrumAeterna Christi munera et Martyrum
  45. 🔍 28% Sponso sponsa!Sponso sponsa!
  46. 🔍 28% Stephani victoria!Stephani victoria!
  47. 🔍 28% Adeste sanctiAdeste sancti
  48. 🔍 28% Audi benigneAudi benigne
  49. 🔍 27% Crux fidelisCrux fidelis
  50. 🔍 27% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  51. 🔍 27% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  52. 🔍 27% Triumphat mundi principemTriumphat mundi principem
  53. 🔍 27% Rerum Deus fonsRerum Deus fons
  54. 🔍 27% Mente jucundaMente jucunda
  55. 🔍 27% Jam lucis orto sidere (In Transfiguratione)Jam lucis orto sidere (In Transfiguratione)
  56. 🔍 27% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  57. 🔍 27% Gaude mater AnnaGaude mater Anna
  58. 🔍 27% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  59. 🔍 27% Gloria XIGloria XI
  60. 🔍 27% Rerum deus tenax vigor (In Ascensione)Rerum deus tenax vigor (In Ascensione)
  61. 🔍 27% Tantum ergo.Tantum ergo.
  62. 🔍 26% Summi Parentis FilioSummi Parentis Filio
  63. 🔍 26% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)
  64. 🔍 26% O Salutaris Hostia IV (cantus ad processiones)O Salutaris Hostia IV (cantus ad processiones)
  65. 🔍 26% Rerum Deus tenax vigor (In Ascensione)Rerum Deus tenax vigor (In Ascensione)