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% Protege DomineProtege Domine
  2. 🔍 72% Protege DomineProtege Domine
  3. 🔍 56% Protege DomineProtege Domine
  4. 🔍 52% Protege DomineProtege Domine
  5. 🔍 47% Gloria (ad lib.) II.Gloria (ad lib.) II.
  6. 🔍 45% ProtegeProtege
  7. 🔍 43% Domine Jesu Christe (Off.)Domine Jesu Christe (Off.)
  8. 🔍 41% Cantate DominoCantate Domino
  9. 🔍 39% Beati qui custodiuntBeati qui custodiunt
  10. 🔍 39% Dominus fortitudoDominus fortitudo
  11. 🔍 39% Agnus Dei VIIIAgnus Dei VIII
  12. 🔍 38% Domine Jesu ChristeDomine Jesu Christe
  13. 🔍 37% Vultum tuumVultum tuum
  14. 🔍 37% Cantate DominoCantate Domino
  15. 🔍 37% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  16. 🔍 37% Vir eratVir erat
  17. 🔍 37% Domine DeusDomine Deus
  18. 🔍 37% Homo quidam fecit coenam magnamHomo quidam fecit coenam magnam
  19. 🔍 36% Posuisti Domine (Com.)Posuisti Domine (Com.)
  20. 🔍 36% Esto mihiEsto mihi
  21. 🔍 36% Verba meaVerba mea
  22. 🔍 36% GloriabunturGloriabuntur
  23. 🔍 36% Virgo parens ChristiVirgo parens Christi
  24. 🔍 35% In splendoribusIn splendoribus
  25. 🔍 35% Terribilis estTerribilis est
  26. 🔍 35% Vos estisVos estis
  27. 🔍 35% Domine convertereDomine convertere
  28. 🔍 35% Qui me dignatus est (Com.)Qui me dignatus est (Com.)
  29. 🔍 35% Dominus firmamentumDominus firmamentum
  30. 🔍 34% Pauperes SionPauperes Sion
  31. 🔍 34% In te speraviIn te speravi
  32. 🔍 34% Dominus illuminatioDominus illuminatio
  33. 🔍 34% Gloria (ad lib.) III / III BGloria (ad lib.) III / III B
  34. 🔍 34% Sedebit DominusSedebit Dominus
  35. 🔍 34% Ad te DomineAd te Domine
  36. 🔍 33% In medio EcclesiaeIn medio Ecclesiae
  37. 🔍 33% Gaudete cum alleluiaGaudete cum alleluia
  38. 🔍 33% Hodie beata VirgoHodie beata Virgo
  39. 🔍 33% SitientesSitientes
  40. 🔍 32% Os justiOs justi
  41. 🔍 32% Cantabo DominoCantabo Domino
  42. 🔍 32% Regina caeliRegina caeli
  43. 🔍 32% Nos autem... alleluiaNos autem... alleluia
  44. 🔍 32% Gloria et divitiaeGloria et divitiae
  45. 🔍 32% Domine diligoDomine diligo
  46. 🔍 32% VoveteVovete
  47. 🔍 31% Bonitas DominiBonitas Domini
  48. 🔍 31% CollegeruntCollegerunt
  49. 🔍 31% Hei mihi DomineHei mihi Domine
  50. 🔍 31% Mitte manum... alleluiaMitte manum... alleluia
  51. 🔍 31% Erit vobisErit vobis
  52. 🔍 31% Domine Jesu ChristeDomine Jesu Christe
  53. 🔍 31% Sacerdotes SionSacerdotes Sion
  54. 🔍 31% Ego Dominus dabo eisEgo Dominus dabo eis
  55. 🔍 31% Populum humilemPopulum humilem
  56. 🔍 31% Ecce Dominus venietEcce Dominus veniet
  57. 🔍 31% In salutariIn salutari
  58. 🔍 31% Bonum est confiteriBonum est confiteri
  59. 🔍 31% Narrabo omniaNarrabo omnia
  60. 🔍 31% O pie DeusO pie Deus
  61. 🔍 30% Gustate et videteGustate et videte
  62. 🔍 30% Multae tribulationesMultae tribulationes
  63. 🔍 30% Exsultet jam AngelicaExsultet jam Angelica
  64. 🔍 30% Petite cum AlleluiaPetite cum Alleluia
  65. 🔍 30% Benedicite gentesBenedicite gentes