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% Ave Rex nosterAve Rex noster
  2. 🔍 67% Ave Rex nosterAve Rex noster
  3. 🔍 60% Ave Rex nosterAve Rex noster
  4. 🔍 35% Felix namque esFelix namque es
  5. 🔍 35% Stetit pontifexStetit pontifex
  6. 🔍 35% Ave Regina caelorumAve Regina caelorum
  7. 🔍 34% Justorum animae (Off.)Justorum animae (Off.)
  8. 🔍 33% Stetit PontifexStetit Pontifex
  9. 🔍 33% AemulorAemulor
  10. 🔍 32% Stetit Angelus (Off)Stetit Angelus (Off)
  11. 🔍 32% Repleti fructuRepleti fructu
  12. 🔍 32% Trinitas summoTrinitas summo
  13. 🔍 31% Viri GalilaeiViri Galilaei
  14. 🔍 31% De quacumqueDe quacumque
  15. 🔍 31% Beata nobis gaudiaBeata nobis gaudia
  16. 🔍 31% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  17. 🔍 30% Beata nobis gaudiaBeata nobis gaudia
  18. 🔍 30% Inclinet DominusInclinet Dominus
  19. 🔍 30% Quomodo fiet istudQuomodo fiet istud
  20. 🔍 30% Stetit Angelus (Off)Stetit Angelus (Off)
  21. 🔍 29% Te saeculorum PrincipemTe saeculorum Principem
  22. 🔍 29% Stetit AngelusStetit Angelus
  23. 🔍 29% Juravit DominusJuravit Dominus
  24. 🔍 28% IncipiteIncipite
  25. 🔍 28% Audita est quasi voxAudita est quasi vox
  26. 🔍 28% Justorum animaeJustorum animae
  27. 🔍 28% Optime PaterOptime Pater
  28. 🔍 27% O MartineO Martine
  29. 🔍 27% Rogavi pro teRogavi pro te
  30. 🔍 27% Isti sunt duae olivaeIsti sunt duae olivae
  31. 🔍 27% Justorum animaeJustorum animae
  32. 🔍 27% EmulorEmulor
  33. 🔍 27% Concede nobis DomineConcede nobis Domine
  34. 🔍 27% Te saeculorum PrincipemTe saeculorum Principem
  35. 🔍 27% VerumtamenVerumtamen
  36. 🔍 26% LoquebanturLoquebantur
  37. 🔍 26% Diadema spineumDiadema spineum
  38. 🔍 26% Felix namque esFelix namque es
  39. 🔍 26% Ecce concipietEcce concipiet
  40. 🔍 26% Viri GalilaeiViri Galilaei
  41. 🔍 26% Beata nobis gaudiaBeata nobis gaudia
  42. 🔍 26% Beata nobisBeata nobis
  43. 🔍 26% Beata nobis gaudiaBeata nobis gaudia
  44. 🔍 25% Gloriosus Dei amicusGloriosus Dei amicus
  45. 🔍 25% Obaudite meObaudite me
  46. 🔍 25% Auditui meoAuditui meo
  47. 🔍 25% Felix namque esFelix namque es
  48. 🔍 25% Dedisti mihiDedisti mihi
  49. 🔍 25% Cornelius centurioCornelius centurio
  50. 🔍 25% FranciscusFranciscus
  51. 🔍 25% Felix spinaFelix spina
  52. 🔍 25% Beatus quem elegistiBeatus quem elegisti
  53. 🔍 25% Recordare meiRecordare mei
  54. 🔍 25% Iesu Salvator saeculiIesu Salvator saeculi
  55. 🔍 24% In Deo speravitIn Deo speravit
  56. 🔍 24% In Deo speravitIn Deo speravit
  57. 🔍 24% Sancte PauleSancte Paule
  58. 🔍 24% Cum audisset populusCum audisset populus
  59. 🔍 24% Hic EdmundusHic Edmundus
  60. 🔍 24% Felix namqueFelix namque
  61. 🔍 24% Libera me Domine de morteLibera me Domine de morte
  62. 🔍 24% O quam pulchra... immortalisO quam pulchra... immortalis
  63. 🔍 24% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  64. 🔍 24% Te saeculorum PrincipemTe saeculorum Principem
  65. 🔍 24% Juravit DominusJuravit Dominus