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% In conspectu... adorabo (All)In conspectu... adorabo (All)
  2. 🔍 87% In conspectu... Domine DeusIn conspectu... Domine Deus
  3. 🔍 67% In conspectu AngelorumIn conspectu Angelorum
  4. 🔍 50% In conspectu... adorabo (All)In conspectu... adorabo (All)
  5. 🔍 48% In conspectu... Domine DeusIn conspectu... Domine Deus
  6. 🔍 48% Inter natosInter natos
  7. 🔍 46% In conspectu... Domine DeusIn conspectu... Domine Deus
  8. 🔍 39% In conspectu Angelorum ... Votive MassIn conspectu Angelorum ... Votive Mass
  9. 🔍 25% In conspectu Angelorum (Resp Br)In conspectu Angelorum (Resp Br)
  10. 🔍 24% In conspectu... allel. (Resp Br)In conspectu... allel. (Resp Br)
  11. 🔍 24% In conspectu AngelorumIn conspectu Angelorum
  12. 🔍 23% Sancte PauleSancte Paule
  13. 🔍 22% Dies iraeDies irae
  14. 🔍 22% Beata nobis gaudiaBeata nobis gaudia
  15. 🔍 22% Dies iraeDies irae
  16. 🔍 22% In conspectu Angelorum (Paschal Time)In conspectu Angelorum (Paschal Time)
  17. 🔍 22% Beata nobis gaudiaBeata nobis gaudia
  18. 🔍 22% In conspectu AngelorumIn conspectu Angelorum
  19. 🔍 21% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  20. 🔍 20% Quomodo fiet istudQuomodo fiet istud
  21. 🔍 20% Dies irae, ad Laudes Quid sum miser...Dies irae, ad Laudes Quid sum miser...
  22. 🔍 20% Quid sumQuid sum
  23. 🔍 20% Veni electa meaVeni electa mea
  24. 🔍 20% Audita est quasi voxAudita est quasi vox
  25. 🔍 20% In conspectu Angelorum (Off)In conspectu Angelorum (Off)
  26. 🔍 20% Justorum animae (Off.)Justorum animae (Off.)
  27. 🔍 19% Justorum animaeJustorum animae
  28. 🔍 19% Te saeculorum PrincipemTe saeculorum Principem
  29. 🔍 19% Surrexit Dominus etSurrexit Dominus et
  30. 🔍 19% AdoraboAdorabo
  31. 🔍 19% In conspectu Angelorum (Off)In conspectu Angelorum (Off)
  32. 🔍 19% Dies irae, Ad Officium Lectionis Heb. XXXIVDies irae, Ad Officium Lectionis Heb. XXXIV
  33. 🔍 19% Auditui meoAuditui meo
  34. 🔍 19% Non vos me elegistisNon vos me elegistis
  35. 🔍 19% Stetit Angelus (Off)Stetit Angelus (Off)
  36. 🔍 19% Stetit pontifexStetit pontifex
  37. 🔍 18% Terribilis estTerribilis est
  38. 🔍 18% Inclinet DominusInclinet Dominus
  39. 🔍 18% Magnificat (Visit. B. M. V.)Magnificat (Visit. B. M. V.)
  40. 🔍 18% Per te Dei GenitrixPer te Dei Genitrix
  41. 🔍 18% Christi milesChristi miles
  42. 🔍 18% De quacumqueDe quacumque
  43. 🔍 18% Gloria XIIIGloria XIII
  44. 🔍 17% ConfitebunturConfitebuntur
  45. 🔍 17% Surrexit Pastor bonusSurrexit Pastor bonus
  46. 🔍 17% Amavit eumAmavit eum
  47. 🔍 17% Amavit eum Dominus (All.)Amavit eum Dominus (All.)
  48. 🔍 17% Tu Domine qui misistiTu Domine qui misisti
  49. 🔍 17% Venite exsultemus (mode 4d solemnis)Venite exsultemus (mode 4d solemnis)
  50. 🔍 17% Per te Dei GenitrixPer te Dei Genitrix
  51. 🔍 17% In conspectu Angelorum (Resp Br)In conspectu Angelorum (Resp Br)
  52. 🔍 17% In conspectu Angelorum (Off)In conspectu Angelorum (Off)
  53. 🔍 17% Te saeculorum PrincipemTe saeculorum Principem
  54. 🔍 17% AdoraboAdorabo
  55. 🔍 17% Cantate Domino (altera melodia)Cantate Domino (altera melodia)
  56. 🔍 17% Optime PaterOptime Pater
  57. 🔍 17% Te saeculorum PrincipemTe saeculorum Principem
  58. 🔍 17% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  59. 🔍 17% Felix ex fructuFelix ex fructu
  60. 🔍 17% AemulorAemulor
  61. 🔍 17% Dilexit AndreamDilexit Andream
  62. 🔍 16% MultifarieMultifarie
  63. 🔍 16% Beata nobis gaudiaBeata nobis gaudia
  64. 🔍 16% Cornelius centurioCornelius centurio
  65. 🔍 16% Beata nobis gaudiaBeata nobis gaudia