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% EmulorEmulor
  2. 🔍 44% Quam magnaQuam magna
  3. 🔍 34% AemulorAemulor
  4. 🔍 34% Beata nobis gaudiaBeata nobis gaudia
  5. 🔍 34% Beata nobis gaudiaBeata nobis gaudia
  6. 🔍 33% Optime PaterOptime Pater
  7. 🔍 32% De quacumqueDe quacumque
  8. 🔍 30% Ave Rex nosterAve Rex noster
  9. 🔍 28% Te saeculorum PrincipemTe saeculorum Principem
  10. 🔍 27% Ave Rex nosterAve Rex noster
  11. 🔍 27% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  12. 🔍 26% Exsultet caelum laudibus (modus 1)Exsultet caelum laudibus (modus 1)
  13. 🔍 26% Te saeculorum PrincipemTe saeculorum Principem
  14. 🔍 25% Beata nobis gaudiaBeata nobis gaudia
  15. 🔍 25% Beata nobis gaudiaBeata nobis gaudia
  16. 🔍 25% Beata nobisBeata nobis
  17. 🔍 24% Te saeculorum PrincipemTe saeculorum Principem
  18. 🔍 24% Cornelius centurioCornelius centurio
  19. 🔍 24% VerumtamenVerumtamen
  20. 🔍 24% Stetit PontifexStetit Pontifex
  21. 🔍 24% Felix namque esFelix namque es
  22. 🔍 23% Juravit DominusJuravit Dominus
  23. 🔍 23% Christi milesChristi miles
  24. 🔍 23% Exsultet caelum laudibusExsultet caelum laudibus
  25. 🔍 23% Stetit pontifexStetit pontifex
  26. 🔍 23% Quomodo fiet istudQuomodo fiet istud
  27. 🔍 22% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  28. 🔍 22% Propitius estoPropitius esto
  29. 🔍 22% Spiritus DominiSpiritus Domini
  30. 🔍 22% O salutaris Hostia IIIO salutaris Hostia III
  31. 🔍 22% Beatus vir qui suffertBeatus vir qui suffert
  32. 🔍 22% Adesto sancta TrinitasAdesto sancta Trinitas
  33. 🔍 22% Surrexit Dominus etSurrexit Dominus et
  34. 🔍 22% Excelsam Pauli gloriamExcelsam Pauli gloriam
  35. 🔍 21% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  36. 🔍 21% Ave Rex nosterAve Rex noster
  37. 🔍 21% Justorum animaeJustorum animae
  38. 🔍 21% Vexilla RegisVexilla Regis
  39. 🔍 21% Excelsam PauliExcelsam Pauli
  40. 🔍 21% Divina voxDivina vox
  41. 🔍 21% Inclinet DominusInclinet Dominus
  42. 🔍 21% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  43. 🔍 21% In conspectu AngelorumIn conspectu Angelorum
  44. 🔍 21% Rogavi pro teRogavi pro te
  45. 🔍 21% Cantate Domino (altera melodia)Cantate Domino (altera melodia)
  46. 🔍 21% Mihi absit gloriari nisi in cruceMihi absit gloriari nisi in cruce
  47. 🔍 20% Dignus es DomineDignus es Domine
  48. 🔍 20% Ave Regina caelorumAve Regina caelorum
  49. 🔍 20% Judicii signumJudicii signum
  50. 🔍 20% Juravit DominusJuravit Dominus
  51. 🔍 20% Stetit AngelusStetit Angelus
  52. 🔍 20% Iesu Salvator saeculiIesu Salvator saeculi
  53. 🔍 20% In conspectu... adorabo (All)In conspectu... adorabo (All)
  54. 🔍 20% Sancte PauleSancte Paule
  55. 🔍 20% Gloria XIIIGloria XIII
  56. 🔍 20% In conspectu... Domine DeusIn conspectu... Domine Deus
  57. 🔍 20% Aeterna Christi munera ApostolorumAeterna Christi munera Apostolorum
  58. 🔍 20% Vexilla Regis (with all original stanzas)Vexilla Regis (with all original stanzas)
  59. 🔍 20% Viri GalilaeiViri Galilaei
  60. 🔍 20% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)
  61. 🔍 19% Inclinet DominusInclinet Dominus
  62. 🔍 19% Sideribus cunctisSideribus cunctis
  63. 🔍 19% Stetit PontifexStetit Pontifex
  64. 🔍 19% Optatus votis omniumOptatus votis omnium
  65. 🔍 19% Stetit Angelus (Off)Stetit Angelus (Off)