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% Ave Regina caelorumAve Regina caelorum
  2. 🔍 81% Ave Regina caelorumAve Regina caelorum
  3. 🔍 47% Ave Regina caelorumAve Regina caelorum
  4. 🔍 44% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  5. 🔍 43% Ave Regina CaelorumAve Regina Caelorum
  6. 🔍 41% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  7. 🔍 40% Ave Regina caelorumAve Regina caelorum
  8. 🔍 40% Ave Regina caelorumAve Regina caelorum
  9. 🔍 39% Ave Regina caelorumAve Regina caelorum
  10. 🔍 35% Ave Regina caelorum (monasticum)Ave Regina caelorum (monasticum)
  11. 🔍 27% Ave Regina caelorumAve Regina caelorum
  12. 🔍 25% Ave Maria... virgo serenaAve Maria... virgo serena
  13. 🔍 25% Ave lumenAve lumen
  14. 🔍 23% Salve radix sanctaSalve radix sancta
  15. 🔍 22% Post partum VirgoPost partum Virgo
  16. 🔍 22% Ave mundi spes MariaAve mundi spes Maria
  17. 🔍 22% Salve Regina (simplex)Salve Regina (simplex)
  18. 🔍 22% O Christi pietasO Christi pietas
  19. 🔍 21% NesciensNesciens
  20. 🔍 21% Ave Regina... MaterAve Regina... Mater
  21. 🔍 21% Exaltata est gloriosaExaltata est gloriosa
  22. 🔍 21% Per te immaculataPer te immaculata
  23. 🔍 21% Verbum bonum et suaveVerbum bonum et suave
  24. 🔍 20% Litaniae LauretanaeLitaniae Lauretanae
  25. 🔍 20% Felix namque esFelix namque es
  26. 🔍 20% O gloriosa Dei GenitrixO gloriosa Dei Genitrix
  27. 🔍 20% Vere languoresVere languores
  28. 🔍 20% Gaude Mater PoloniaGaude Mater Polonia
  29. 🔍 20% Non vos relinquamNon vos relinquam
  30. 🔍 20% Agnus Dei IVAgnus Dei IV
  31. 🔍 20% Litaniae LauretanaeLitaniae Lauretanae
  32. 🔍 20% Deus tuorum militumDeus tuorum militum
  33. 🔍 20% Summae Deus clementiae septemSummae Deus clementiae septem
  34. 🔍 20% Salve sancta parensSalve sancta parens
  35. 🔍 20% Tantum ergo.Tantum ergo.
  36. 🔍 20% Deus tuorum militumDeus tuorum militum
  37. 🔍 20% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  38. 🔍 20% Ave Maria (Tractus)Ave Maria (Tractus)
  39. 🔍 20% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  40. 🔍 20% Regina caeli laetareRegina caeli laetare
  41. 🔍 19% Te Deum (Solemn tone)Te Deum (Solemn tone)
  42. 🔍 19% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  43. 🔍 19% Sacris solemniisSacris solemniis
  44. 🔍 19% Summae Deus clementiaeSummae Deus clementiae
  45. 🔍 19% Tu es Petrus (Tractus)Tu es Petrus (Tractus)
  46. 🔍 19% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  47. 🔍 19% Ave verumAve verum
  48. 🔍 19% Sponso sponsa!Sponso sponsa!
  49. 🔍 19% Tu es Petrus (Tractus)Tu es Petrus (Tractus)
  50. 🔍 19% De necessitatibusDe necessitatibus
  51. 🔍 19% Christe caelorum DomineChriste caelorum Domine
  52. 🔍 19% Stabat sancta MariaStabat sancta Maria
  53. 🔍 19% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  54. 🔍 19% Qui propheticoQui prophetico
  55. 🔍 19% Fontes aquarumFontes aquarum
  56. 🔍 19% Salve Regina misericordiaeSalve Regina misericordiae
  57. 🔍 19% Agnus IV (de Missa Solemni Vespertina in Cena Domini)Agnus IV (de Missa Solemni Vespertina in Cena Domini)
  58. 🔍 19% Vere languoresVere languores
  59. 🔍 19% Descendit de caelis DeusDescendit de caelis Deus
  60. 🔍 19% Ave stellaAve stella
  61. 🔍 19% Crux fidelisCrux fidelis
  62. 🔍 19% Gaudete GaudeteGaudete Gaudete
  63. 🔍 19% Non judicaviNon judicavi
  64. 🔍 18% Sacris SolemnisSacris Solemnis
  65. 🔍 18% Mihi autem absit (V. Vivo ego)Mihi autem absit (V. Vivo ego)