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% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  2. 🔍 70% Stetit Angelus (Off)Stetit Angelus (Off)
  3. 🔍 68% Justorum animaeJustorum animae
  4. 🔍 62% Stetit Angelus (Off, verses, with neumes)Stetit Angelus (Off, verses, with neumes)
  5. 🔍 62% Stetit pontifexStetit pontifex
  6. 🔍 56% ErueErue
  7. 🔍 50% Justorum animae (Off.)Justorum animae (Off.)
  8. 🔍 49% Stetit Angelus (Off)Stetit Angelus (Off)
  9. 🔍 46% Stetit Angelus (Off)Stetit Angelus (Off)
  10. 🔍 45% Inclinet DominusInclinet Dominus
  11. 🔍 42% Felix namque esFelix namque es
  12. 🔍 42% Stetit AngelusStetit Angelus
  13. 🔍 41% Stetit PontifexStetit Pontifex
  14. 🔍 40% Stetit PontifexStetit Pontifex
  15. 🔍 37% Justorum animaeJustorum animae
  16. 🔍 36% Stetit Angelus (Off. verse Factum)Stetit Angelus (Off. verse Factum)
  17. 🔍 35% Te saeculorum PrincipemTe saeculorum Principem
  18. 🔍 34% Ave Regina caelorumAve Regina caelorum
  19. 🔍 34% Beata nobis gaudiaBeata nobis gaudia
  20. 🔍 33% Beata nobis gaudiaBeata nobis gaudia
  21. 🔍 33% Inclinet DominusInclinet Dominus
  22. 🔍 33% Felix namque esFelix namque es
  23. 🔍 33% Viri GalilaeiViri Galilaei
  24. 🔍 32% Justorum animae (Off.)Justorum animae (Off.)
  25. 🔍 32% Te saeculorum PrincipemTe saeculorum Principem
  26. 🔍 31% Beata nobisBeata nobis
  27. 🔍 31% Stetit Angelus (Off. verse Factum)Stetit Angelus (Off. verse Factum)
  28. 🔍 31% Beata nobis gaudiaBeata nobis gaudia
  29. 🔍 31% Beata nobis gaudiaBeata nobis gaudia
  30. 🔍 31% Te saeculorum PrincipemTe saeculorum Principem
  31. 🔍 30% VerumtamenVerumtamen
  32. 🔍 30% Obaudite meObaudite me
  33. 🔍 30% Obaudite meObaudite me
  34. 🔍 29% Quomodo fiet istudQuomodo fiet istud
  35. 🔍 28% Audita est quasi voxAudita est quasi vox
  36. 🔍 28% Viri GalilaeiViri Galilaei
  37. 🔍 27% AdducenturAdducentur
  38. 🔍 27% Benedictus DominusBenedictus Dominus
  39. 🔍 27% In conspectu... adorabo (All)In conspectu... adorabo (All)
  40. 🔍 26% O salutaris Hostia IIIO salutaris Hostia III
  41. 🔍 26% In die solemnitatisIn die solemnitatis
  42. 🔍 26% Veni Domine et noliVeni Domine et noli
  43. 🔍 26% Iesu Salvator saeculiIesu Salvator saeculi
  44. 🔍 25% Tu es Petrus (Offertorium)Tu es Petrus (Offertorium)
  45. 🔍 25% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  46. 🔍 25% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  47. 🔍 25% Montes GelboeMontes Gelboe
  48. 🔍 25% In Deo salutareIn Deo salutare
  49. 🔍 25% Juravit DominusJuravit Dominus
  50. 🔍 24% Custodi meCustodi me
  51. 🔍 24% Corona tribulationisCorona tribulationis
  52. 🔍 24% Vexilla RegisVexilla Regis
  53. 🔍 24% De quacumqueDe quacumque
  54. 🔍 24% VerumtamenVerumtamen
  55. 🔍 24% Vexilla Regis (extra Tempus Passionis)Vexilla Regis (extra Tempus Passionis)
  56. 🔍 24% Stetit AngelusStetit Angelus
  57. 🔍 24% AemulorAemulor
  58. 🔍 24% Rogavi pro teRogavi pro te
  59. 🔍 24% Optime PaterOptime Pater
  60. 🔍 24% Sanctificavit (verses)Sanctificavit (verses)
  61. 🔍 24% In conspectu... Domine DeusIn conspectu... Domine Deus
  62. 🔍 24% Sancte PauleSancte Paule
  63. 🔍 24% Impetum fecerunt (Resp.)Impetum fecerunt (Resp.)
  64. 🔍 24% Ave Rex nosterAve Rex noster
  65. 🔍 23% FranciscusFranciscus