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% AemulorAemulor
  2. 🔍 64% Optime PaterOptime Pater
  3. 🔍 58% De quacumqueDe quacumque
  4. 🔍 41% Beata nobis gaudiaBeata nobis gaudia
  5. 🔍 40% Beata nobis gaudiaBeata nobis gaudia
  6. 🔍 39% Te saeculorum PrincipemTe saeculorum Principem
  7. 🔍 37% Stetit PontifexStetit Pontifex
  8. 🔍 36% Te saeculorum PrincipemTe saeculorum Principem
  9. 🔍 35% Stetit pontifexStetit pontifex
  10. 🔍 35% Felix namque esFelix namque es
  11. 🔍 35% Quomodo fiet istudQuomodo fiet istud
  12. 🔍 34% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  13. 🔍 34% Quam magnaQuam magna
  14. 🔍 34% EmulorEmulor
  15. 🔍 34% VerumtamenVerumtamen
  16. 🔍 34% Beata nobis gaudiaBeata nobis gaudia
  17. 🔍 34% Beata nobisBeata nobis
  18. 🔍 34% Beata nobis gaudiaBeata nobis gaudia
  19. 🔍 34% Propitius esto (All.)Propitius esto (All.)
  20. 🔍 33% Te saeculorum PrincipemTe saeculorum Principem
  21. 🔍 33% Cornelius centurioCornelius centurio
  22. 🔍 33% Viri GalilaeiViri Galilaei
  23. 🔍 33% Ave Rex nosterAve Rex noster
  24. 🔍 33% Ave Regina caelorumAve Regina caelorum
  25. 🔍 33% Ave Rex nosterAve Rex noster
  26. 🔍 33% Inclinet DominusInclinet Dominus
  27. 🔍 32% Justorum animae (Off.)Justorum animae (Off.)
  28. 🔍 32% ConcaluitConcaluit
  29. 🔍 32% Vexilla Regis prodeuntVexilla Regis prodeunt
  30. 🔍 31% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  31. 🔍 31% Audita est quasi voxAudita est quasi vox
  32. 🔍 31% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  33. 🔍 31% Hic MartinusHic Martinus
  34. 🔍 31% Vexilla RegisVexilla Regis
  35. 🔍 31% Surrexit Dominus etSurrexit Dominus et
  36. 🔍 30% Vexilla Regis (with all original stanzas)Vexilla Regis (with all original stanzas)
  37. 🔍 30% Felix namque esFelix namque es
  38. 🔍 30% Viri GalilaeiViri Galilaei
  39. 🔍 30% Vexilla Regis (Inventio Sanctae Crucis)Vexilla Regis (Inventio Sanctae Crucis)
  40. 🔍 30% Vexilla Regis (Tempore Passionis)Vexilla Regis (Tempore Passionis)
  41. 🔍 30% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  42. 🔍 30% Vexilla Regis (Exaltatio Sanctae Crucis)Vexilla Regis (Exaltatio Sanctae Crucis)
  43. 🔍 30% Vexilla Regis prodeuntVexilla Regis prodeunt
  44. 🔍 30% Vexilla Regis prodeuntVexilla Regis prodeunt
  45. 🔍 30% Sertum gestansSertum gestans
  46. 🔍 30% Sancte PauleSancte Paule
  47. 🔍 29% Stetit Angelus (Off)Stetit Angelus (Off)
  48. 🔍 29% Stetit PontifexStetit Pontifex
  49. 🔍 29% Christi milesChristi miles
  50. 🔍 29% Iesu Salvator saeculiIesu Salvator saeculi
  51. 🔍 29% Inclinet DominusInclinet Dominus
  52. 🔍 29% Ave Rex nosterAve Rex noster
  53. 🔍 29% O salutaris Hostia IIIO salutaris Hostia III
  54. 🔍 29% Mittat vobisMittat vobis
  55. 🔍 28% Posuisti Domine (All.)Posuisti Domine (All.)
  56. 🔍 28% Mihi absit gloriari nisi in cruceMihi absit gloriari nisi in cruce
  57. 🔍 28% Rogavi pro teRogavi pro te
  58. 🔍 28% Stetit Angelus (Off)Stetit Angelus (Off)
  59. 🔍 28% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  60. 🔍 28% Propitius estoPropitius esto
  61. 🔍 28% Sideribus cunctisSideribus cunctis
  62. 🔍 27% Beatus es SimonBeatus es Simon
  63. 🔍 27% Erit autem sanguisErit autem sanguis
  64. 🔍 27% Vexilla RegisVexilla Regis
  65. 🔍 27% Christe flos convalliumChriste flos convallium