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)Stetit Angelus (Off)
  2. 🔍 74% Ave Regina caelorumAve Regina caelorum
  3. 🔍 74% Stetit PontifexStetit Pontifex
  4. 🔍 63% Stetit Angelus (Off)Stetit Angelus (Off)
  5. 🔍 53% Stetit pontifexStetit pontifex
  6. 🔍 50% Obaudite meObaudite me
  7. 🔍 50% Justorum animae (Off.)Justorum animae (Off.)
  8. 🔍 47% Felix namque esFelix namque es
  9. 🔍 47% Felix namque esFelix namque es
  10. 🔍 47% Stetit AngelusStetit Angelus
  11. 🔍 46% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  12. 🔍 45% Stetit Angelus (Off)Stetit Angelus (Off)
  13. 🔍 41% Justorum animaeJustorum animae
  14. 🔍 40% Inclinet DominusInclinet Dominus
  15. 🔍 39% Viri GalilaeiViri Galilaei
  16. 🔍 38% Justorum animaeJustorum animae
  17. 🔍 37% Stetit PontifexStetit Pontifex
  18. 🔍 37% ConcaluitConcaluit
  19. 🔍 37% Beata nobis gaudiaBeata nobis gaudia
  20. 🔍 36% Beata nobis gaudiaBeata nobis gaudia
  21. 🔍 35% Te saeculorum PrincipemTe saeculorum Principem
  22. 🔍 35% Viri GalilaeiViri Galilaei
  23. 🔍 34% VerumtamenVerumtamen
  24. 🔍 33% De quacumqueDe quacumque
  25. 🔍 33% Posuisti Domine (All.)Posuisti Domine (All.)
  26. 🔍 32% Te saeculorum PrincipemTe saeculorum Principem
  27. 🔍 32% Hic MartinusHic Martinus
  28. 🔍 32% Optime PaterOptime Pater
  29. 🔍 32% Inclinet DominusInclinet Dominus
  30. 🔍 31% Justorum animae (Off.)Justorum animae (Off.)
  31. 🔍 31% Quomodo fiet istudQuomodo fiet istud
  32. 🔍 31% Beata nobis gaudiaBeata nobis gaudia
  33. 🔍 31% Beata nobisBeata nobis
  34. 🔍 31% Beata nobis gaudiaBeata nobis gaudia
  35. 🔍 30% Isti sunt duae olivaeIsti sunt duae olivae
  36. 🔍 30% Stetit Angelus (Off, verses, with neumes)Stetit Angelus (Off, verses, with neumes)
  37. 🔍 30% Tu es Petrus (Offertorium)Tu es Petrus (Offertorium)
  38. 🔍 30% Te saeculorum PrincipemTe saeculorum Principem
  39. 🔍 30% Audita est quasi voxAudita est quasi vox
  40. 🔍 30% Ave Rex nosterAve Rex noster
  41. 🔍 29% AemulorAemulor
  42. 🔍 29% Benedicta et venerabilisBenedicta et venerabilis
  43. 🔍 29% Cornelius centurioCornelius centurio
  44. 🔍 29% Felix namque esFelix namque es
  45. 🔍 28% LoquebanturLoquebantur
  46. 🔍 28% Stetit Angelus (Off. verse Factum)Stetit Angelus (Off. verse Factum)
  47. 🔍 28% DedistiDedisti
  48. 🔍 28% Stetit Angelus (Resp Br)Stetit Angelus (Resp Br)
  49. 🔍 27% Stetit Angelus... allel.Stetit Angelus... allel.
  50. 🔍 27% Stetit Angelus (Off. verse Factum)Stetit Angelus (Off. verse Factum)
  51. 🔍 27% Diadema spineumDiadema spineum
  52. 🔍 27% Rogavi pro teRogavi pro te
  53. 🔍 27% Paraclitus SpiritusParaclitus Spiritus
  54. 🔍 27% Iesu Salvator saeculiIesu Salvator saeculi
  55. 🔍 27% Ave Rex nosterAve Rex noster
  56. 🔍 27% Juravit DominusJuravit Dominus
  57. 🔍 27% Obaudite meObaudite me
  58. 🔍 26% Sancte PauleSancte Paule
  59. 🔍 26% Tu es Petrus (Offertorium)Tu es Petrus (Offertorium)
  60. 🔍 26% Ave Rex nosterAve Rex noster
  61. 🔍 26% Stetit Angelus juxta (T. Paschali)Stetit Angelus juxta (T. Paschali)
  62. 🔍 26% EruditusEruditus
  63. 🔍 26% Surrexit Dominus etSurrexit Dominus et
  64. 🔍 26% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  65. 🔍 26% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)