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% In virtute tuaIn virtute tua
  2. 🔍 55% Domine Deus... qui repertusDomine Deus... qui repertus
  3. 🔍 55% In virtute tuaIn virtute tua
  4. 🔍 54% AmbulateAmbulate
  5. 🔍 44% Deus autemDeus autem
  6. 🔍 44% Jesu redemptor omniumJesu redemptor omnium
  7. 🔍 40% Gloria et divitiaeGloria et divitiae
  8. 🔍 40% Si quis sititSi quis sitit
  9. 🔍 39% Sanctus VIIISanctus VIII
  10. 🔍 39% De profundisDe profundis
  11. 🔍 39% Judicant sanctiJudicant sancti
  12. 🔍 38% Benedicite omnes AngeliBenedicite omnes Angeli
  13. 🔍 37% Christus unamChristus unam
  14. 🔍 37% Angelus Domini apparuit (Intr.)Angelus Domini apparuit (Intr.)
  15. 🔍 37% Surrexit Dominus et apparuit (Com.)Surrexit Dominus et apparuit (Com.)
  16. 🔍 37% Mihi absitMihi absit
  17. 🔍 36% In pace factus estIn pace factus est
  18. 🔍 36% Venite filiiVenite filii
  19. 🔍 35% Sanctificavit DominusSanctificavit Dominus
  20. 🔍 35% Spiritus ParaclitusSpiritus Paraclitus
  21. 🔍 34% Ecce virgoEcce virgo
  22. 🔍 34% In virtute tuaIn virtute tua
  23. 🔍 34% Effusum estEffusum est
  24. 🔍 34% GloriabunturGloriabuntur
  25. 🔍 34% Si vere fratresSi vere fratres
  26. 🔍 34% Desiderium animaeDesiderium animae
  27. 🔍 33% In virtute tuaIn virtute tua
  28. 🔍 33% Ne timeasNe timeas
  29. 🔍 33% Da pacemDa pacem
  30. 🔍 33% Dum venerit ParaclitusDum venerit Paraclitus
  31. 🔍 33% Populus acquisitionisPopulus acquisitionis
  32. 🔍 33% Terra tremuitTerra tremuit
  33. 🔍 33% Domine Deus... qui repertusDomine Deus... qui repertus
  34. 🔍 33% Benedicite DominumBenedicite Dominum
  35. 🔍 32% Si diligis meSi diligis me
  36. 🔍 32% Laetamini in Domino (OFF. cum Alleluia)Laetamini in Domino (OFF. cum Alleluia)
  37. 🔍 32% Dixit autem dominusDixit autem dominus
  38. 🔍 32% Unde huic sapientia haecUnde huic sapientia haec
  39. 🔍 32% Ne timeasNe timeas
  40. 🔍 32% Gloria Patri IGloria Patri I
  41. 🔍 32% Pauperes SionPauperes Sion
  42. 🔍 32% CognoviCognovi
  43. 🔍 31% Dum venerit Paraclitus (2)Dum venerit Paraclitus (2)
  44. 🔍 31% Gloria Patri IGloria Patri I
  45. 🔍 31% Dominus fortitudoDominus fortitudo
  46. 🔍 31% InvocaboInvocabo
  47. 🔍 31% Toni Praefationum (2. Tonus ferialis)Toni Praefationum (2. Tonus ferialis)
  48. 🔍 31% In medio EcclesiaeIn medio Ecclesiae
  49. 🔍 31% Gaudeamus... Sanctorum omniumGaudeamus... Sanctorum omnium
  50. 🔍 31% In die solemnitatisIn die solemnitatis
  51. 🔍 31% Venite exsultemusVenite exsultemus
  52. 🔍 30% Beata Mater...Regina mundi sentiantBeata Mater...Regina mundi sentiant
  53. 🔍 30% Respondens autem PetrusRespondens autem Petrus
  54. 🔍 30% HolocaustumHolocaustum
  55. 🔍 30% Fuit homoFuit homo
  56. 🔍 30% ConfitebunturConfitebuntur
  57. 🔍 30% Attendite universi populiAttendite universi populi
  58. 🔍 30% De profundis (verses, rhythmic signs)De profundis (verses, rhythmic signs)
  59. 🔍 30% Ave Maria (Alleluia)Ave Maria (Alleluia)
  60. 🔍 30% Valde mirabilisValde mirabilis
  61. 🔍 30% Inveni David (Offertorium)Inveni David (Offertorium)
  62. 🔍 29% Terra tremuitTerra tremuit
  63. 🔍 29% Justus ut palma (Intr.)Justus ut palma (Intr.)
  64. 🔍 29% Inclina DomineInclina Domine
  65. 🔍 29% Laetamini in Domino (Off.)Laetamini in Domino (Off.)