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 PontifexStetit Pontifex
  2. 🔍 74% Stetit Angelus (Off)Stetit Angelus (Off)
  3. 🔍 72% Ave Regina caelorumAve Regina caelorum
  4. 🔍 68% Stetit pontifexStetit pontifex
  5. 🔍 54% Obaudite meObaudite me
  6. 🔍 53% Felix namque esFelix namque es
  7. 🔍 53% Stetit Angelus (Off)Stetit Angelus (Off)
  8. 🔍 52% Stetit PontifexStetit Pontifex
  9. 🔍 50% Justorum animae (Off.)Justorum animae (Off.)
  10. 🔍 46% Beata nobis gaudiaBeata nobis gaudia
  11. 🔍 45% Stetit AngelusStetit Angelus
  12. 🔍 45% Beata nobis gaudiaBeata nobis gaudia
  13. 🔍 45% Te saeculorum PrincipemTe saeculorum Principem
  14. 🔍 45% Felix namque esFelix namque es
  15. 🔍 44% Viri GalilaeiViri Galilaei
  16. 🔍 43% Justorum animaeJustorum animae
  17. 🔍 42% Inclinet DominusInclinet Dominus
  18. 🔍 42% Te saeculorum PrincipemTe saeculorum Principem
  19. 🔍 41% Stetit Angelus (Off)Stetit Angelus (Off)
  20. 🔍 40% Justorum animaeJustorum animae
  21. 🔍 40% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  22. 🔍 40% Viri GalilaeiViri Galilaei
  23. 🔍 39% Te saeculorum PrincipemTe saeculorum Principem
  24. 🔍 39% Beata nobis gaudiaBeata nobis gaudia
  25. 🔍 39% Beata nobisBeata nobis
  26. 🔍 39% VerumtamenVerumtamen
  27. 🔍 39% Beata nobis gaudiaBeata nobis gaudia
  28. 🔍 37% AemulorAemulor
  29. 🔍 37% De quacumqueDe quacumque
  30. 🔍 36% Inclinet DominusInclinet Dominus
  31. 🔍 36% Optime PaterOptime Pater
  32. 🔍 35% Justorum animae (Off.)Justorum animae (Off.)
  33. 🔍 35% Quomodo fiet istudQuomodo fiet istud
  34. 🔍 34% O salutaris Hostia IIIO salutaris Hostia III
  35. 🔍 34% Surrexit Dominus etSurrexit Dominus et
  36. 🔍 33% Felix namque esFelix namque es
  37. 🔍 33% Iesu Salvator saeculiIesu Salvator saeculi
  38. 🔍 33% Ave Rex nosterAve Rex noster
  39. 🔍 32% Audita est quasi voxAudita est quasi vox
  40. 🔍 32% Isti sunt duae olivaeIsti sunt duae olivae
  41. 🔍 32% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  42. 🔍 31% Rogavi pro teRogavi pro te
  43. 🔍 31% Sancte PauleSancte Paule
  44. 🔍 31% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  45. 🔍 31% Vexilla RegisVexilla Regis
  46. 🔍 31% Juravit DominusJuravit Dominus
  47. 🔍 30% Ave Rex nosterAve Rex noster
  48. 🔍 30% ConcaluitConcaluit
  49. 🔍 30% Cornelius centurioCornelius centurio
  50. 🔍 30% Beate martyr, prosperaBeate martyr, prospera
  51. 🔍 30% Ave Rex nosterAve Rex noster
  52. 🔍 30% LoquebanturLoquebantur
  53. 🔍 30% Vexilla Regis (with all original stanzas)Vexilla Regis (with all original stanzas)
  54. 🔍 29% Montes GelboeMontes Gelboe
  55. 🔍 29% Diadema spineumDiadema spineum
  56. 🔍 29% In Deo speravitIn Deo speravit
  57. 🔍 29% Hic MartinusHic Martinus
  58. 🔍 29% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  59. 🔍 29% Gratias tibi DeusGratias tibi Deus
  60. 🔍 29% Vexilla Regis (Inventio Sanctae Crucis)Vexilla Regis (Inventio Sanctae Crucis)
  61. 🔍 29% Christe flos convalliumChriste flos convallium
  62. 🔍 29% Sertum gestansSertum gestans
  63. 🔍 29% Obaudite meObaudite me
  64. 🔍 29% Vexilla Regis (Tempore Passionis)Vexilla Regis (Tempore Passionis)
  65. 🔍 29% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)