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% Aurora caeliAurora caeli
  2. 🔍 24% Pio beato jubiloPio beato jubilo
  3. 🔍 23% En LudoviciEn Ludovici
  4. 🔍 22% Dum auroraDum aurora
  5. 🔍 20% Laudate Deum caeliLaudate Deum caeli
  6. 🔍 20% Regina CaeliRegina Caeli
  7. 🔍 19% Laeta DiesLaeta Dies
  8. 🔍 19% Dum LudoviciDum Ludovici
  9. 🔍 19% Martyr Dei (III)Martyr Dei (III)
  10. 🔍 19% Vexilla ChristusVexilla Christus
  11. 🔍 19% Laudate DominumLaudate Dominum
  12. 🔍 18% Fulcite me floribus (I)Fulcite me floribus (I)
  13. 🔍 18% Fulcite me floribus (II)Fulcite me floribus (II)
  14. 🔍 18% Caput tuum ut CarmelusCaput tuum ut Carmelus
  15. 🔍 18% Aurora caelumAurora caelum
  16. 🔍 18% CopiosaeCopiosae
  17. 🔍 18% Festa lux claroFesta lux claro
  18. 🔍 17% Martyr Dei (II)Martyr Dei (II)
  19. 🔍 17% Iste quem laetiIste quem laeti
  20. 🔍 17% Laudate... omnesLaudate... omnes
  21. 🔍 17% CircumdantesCircumdantes
  22. 🔍 17% Aurora soli praeviaAurora soli praevia
  23. 🔍 17% Ecce jamEcce jam
  24. 🔍 17% Adoremus Ps. Laudate Dominum. IIAdoremus Ps. Laudate Dominum. II
  25. 🔍 17% Praeclara salutis auroraPraeclara salutis aurora
  26. 🔍 16% Fac Domine judiciumFac Domine judicium
  27. 🔍 16% Martyr Dei (IIIa)Martyr Dei (IIIa)
  28. 🔍 16% Pie pastorPie pastor
  29. 🔍 16% Nunc Sancte nobis SpiritusNunc Sancte nobis Spiritus
  30. 🔍 16% Nocte jam pulsaNocte jam pulsa
  31. 🔍 16% Ne tacuerisNe tacueris
  32. 🔍 16% Aurora lucisAurora lucis
  33. 🔍 16% Ave MariaAve Maria
  34. 🔍 16% Aurora caelumAurora caelum
  35. 🔍 16% Laudemus caeliLaudemus caeli
  36. 🔍 16% Aurora surgit aureaAurora surgit aurea
  37. 🔍 16% Magnum mysteriumMagnum mysterium
  38. 🔍 16% Venite exsultemus VI*Venite exsultemus VI*
  39. 🔍 16% Credo I.Credo I.
  40. 🔍 16% Muro tuoMuro tuo
  41. 🔍 16% LaetabundusLaetabundus
  42. 🔍 16% Caeli civesCaeli cives
  43. 🔍 16% Levabit DominusLevabit Dominus
  44. 🔍 16% PraeclaraPraeclara
  45. 🔍 16% MagnificatMagnificat
  46. 🔍 15% Aeterna... Apostolorum (II)Aeterna... Apostolorum (II)
  47. 🔍 15% InviolataInviolata
  48. 🔍 15% Eva virumEva virum
  49. 🔍 15% Aeterna... Martyrum (I)Aeterna... Martyrum (I)
  50. 🔍 15% Aurora surgit lucidaAurora surgit lucida
  51. 🔍 15% Amplificatus estAmplificatus est
  52. 🔍 15% Aeterne rerum Conditor (Dox£. Deo Patri)Aeterne rerum Conditor (Dox£. Deo Patri)
  53. 🔍 15% Suscitabit DominusSuscitabit Dominus
  54. 🔍 15% Ad honorem SalvatorisAd honorem Salvatoris
  55. 🔍 15% Fidelis DominusFidelis Dominus
  56. 🔍 15% Joannes autemJoannes autem
  57. 🔍 15% Veni Domine et noliVeni Domine et noli
  58. 🔍 15% Aeterne rerum ConditorAeterne rerum Conditor
  59. 🔍 15% In circuituIn circuitu
  60. 🔍 15% Auctor beate saeculiAuctor beate saeculi
  61. 🔍 15% Deus autemDeus autem
  62. 🔍 15% Dedisti Domine habitaculumDedisti Domine habitaculum
  63. 🔍 15% Laudate... de caelisLaudate... de caelis
  64. 🔍 15% Praeclara salutis auroraPraeclara salutis aurora
  65. 🔍 15% Aeterne rerum ConditorAeterne rerum Conditor