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% Obaudite meObaudite me
  2. 🔍 54% Stetit PontifexStetit Pontifex
  3. 🔍 53% Ave Regina caelorumAve Regina caelorum
  4. 🔍 50% Stetit Angelus (Off)Stetit Angelus (Off)
  5. 🔍 44% Stetit pontifexStetit pontifex
  6. 🔍 43% Justorum animae (Off.)Justorum animae (Off.)
  7. 🔍 42% Stetit Angelus (Off)Stetit Angelus (Off)
  8. 🔍 42% Felix namque esFelix namque es
  9. 🔍 37% Felix namque esFelix namque es
  10. 🔍 36% Stetit AngelusStetit Angelus
  11. 🔍 36% Obaudite meObaudite me
  12. 🔍 36% Inclinet DominusInclinet Dominus
  13. 🔍 34% Justorum animaeJustorum animae
  14. 🔍 34% Justorum animaeJustorum animae
  15. 🔍 32% Beata nobis gaudiaBeata nobis gaudia
  16. 🔍 32% Beata nobis gaudiaBeata nobis gaudia
  17. 🔍 30% Te saeculorum PrincipemTe saeculorum Principem
  18. 🔍 30% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  19. 🔍 30% Viri GalilaeiViri Galilaei
  20. 🔍 28% Te saeculorum PrincipemTe saeculorum Principem
  21. 🔍 28% Stetit PontifexStetit Pontifex
  22. 🔍 27% Tu es Petrus (Offertorium)Tu es Petrus (Offertorium)
  23. 🔍 27% Beata nobisBeata nobis
  24. 🔍 27% Beata nobis gaudiaBeata nobis gaudia
  25. 🔍 27% Beata nobis gaudiaBeata nobis gaudia
  26. 🔍 27% Stetit Angelus (Off)Stetit Angelus (Off)
  27. 🔍 27% Inclinet DominusInclinet Dominus
  28. 🔍 26% Te saeculorum PrincipemTe saeculorum Principem
  29. 🔍 26% Viri GalilaeiViri Galilaei
  30. 🔍 26% AemulorAemulor
  31. 🔍 26% Sancte PauleSancte Paule
  32. 🔍 26% De quacumqueDe quacumque
  33. 🔍 25% Ave Rex nosterAve Rex noster
  34. 🔍 25% VerumtamenVerumtamen
  35. 🔍 25% Audita est quasi voxAudita est quasi vox
  36. 🔍 25% Optime PaterOptime Pater
  37. 🔍 25% Tu es Petrus (Offertorium)Tu es Petrus (Offertorium)
  38. 🔍 24% Isti sunt duae olivaeIsti sunt duae olivae
  39. 🔍 24% Justorum animae (Off.)Justorum animae (Off.)
  40. 🔍 24% LoquebanturLoquebantur
  41. 🔍 24% Quomodo fiet istudQuomodo fiet istud
  42. 🔍 24% IncipiteIncipite
  43. 🔍 24% Montes GelboeMontes Gelboe
  44. 🔍 24% O salutaris Hostia IIIO salutaris Hostia III
  45. 🔍 24% Iesu Salvator saeculiIesu Salvator saeculi
  46. 🔍 23% Obaudite meObaudite me
  47. 🔍 23% Cornelius centurioCornelius centurio
  48. 🔍 23% Ave Rex nosterAve Rex noster
  49. 🔍 22% Custodi meCustodi me
  50. 🔍 22% Rogavi pro teRogavi pro te
  51. 🔍 22% ErueErue
  52. 🔍 22% Felix namque esFelix namque es
  53. 🔍 22% FloreteFlorete
  54. 🔍 22% Perfice gressusPerfice gressus
  55. 🔍 22% Inclina DomineInclina Domine
  56. 🔍 22% Benedicta et venerabilisBenedicta et venerabilis
  57. 🔍 22% Ave Rex nosterAve Rex noster
  58. 🔍 22% Juravit DominusJuravit Dominus
  59. 🔍 22% ExsurgeExsurge
  60. 🔍 21% Christe flos convalliumChriste flos convallium
  61. 🔍 21% UniversiUniversi
  62. 🔍 21% Gloria XIIIGloria XIII
  63. 🔍 21% Trinitas summoTrinitas summo
  64. 🔍 21% Montes GelboeMontes Gelboe
  65. 🔍 21% Clamaverunt ad teClamaverunt ad te