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% Ave spinaAve spina
  2. 🔍 51% Carnis virorCarnis viror
  3. 🔍 25% Dum Samsonis vulpesDum Samsonis vulpes
  4. 🔍 23% Lauda fidelisLauda fidelis
  5. 🔍 23% O PetreO Petre
  6. 🔍 22% Motu sensuMotu sensu
  7. 🔍 22% Factum est in unaFactum est in una
  8. 🔍 22% Flavit AusterFlavit Auster
  9. 🔍 21% Te virginumTe virginum
  10. 🔍 21% Non turbetur corNon turbetur cor
  11. 🔍 21% Angelus Domini apparuit (Resp.)Angelus Domini apparuit (Resp.)
  12. 🔍 21% Gaude Maria VirgoGaude Maria Virgo
  13. 🔍 21% Ave virginum gemmaAve virginum gemma
  14. 🔍 20% Ante thronum TrinitatisAnte thronum Trinitatis
  15. 🔍 20% Benedicimus DeumBenedicimus Deum
  16. 🔍 20% Magne Pater AugustineMagne Pater Augustine
  17. 🔍 20% In die resurrectionisIn die resurrectionis
  18. 🔍 20% Relucens inter principesRelucens inter principes
  19. 🔍 20% In ferventisIn ferventis
  20. 🔍 20% Quatuor vecta rotisQuatuor vecta rotis
  21. 🔍 20% Salus et gloria - mode IVSalus et gloria - mode IV
  22. 🔍 20% Decus morumDecus morum
  23. 🔍 19% Exsurgat DeusExsurgat Deus
  24. 🔍 19% Factum est autemFactum est autem
  25. 🔍 19% O MartineO Martine
  26. 🔍 19% Ascendente JesuAscendente Jesu
  27. 🔍 19% Volebat enimVolebat enim
  28. 🔍 19% InnocensInnocens
  29. 🔍 19% Cohors beata SeraphimCohors beata Seraphim
  30. 🔍 19% O rex aeterne DomineO rex aeterne Domine
  31. 🔍 18% Te nostra laetisTe nostra laetis
  32. 🔍 18% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  33. 🔍 18% Ascendit JesusAscendit Jesus
  34. 🔍 18% Apostolorum passio diemApostolorum passio diem
  35. 🔍 18% Omnes GentesOmnes Gentes
  36. 🔍 18% Maxima estMaxima est
  37. 🔍 18% BenedicamusBenedicamus
  38. 🔍 18% Exaudi Domine... tibiExaudi Domine... tibi
  39. 🔍 18% Ad cenamAd cenam
  40. 🔍 18% Magnus sanctus PaulusMagnus sanctus Paulus
  41. 🔍 18% Esto mihiEsto mihi
  42. 🔍 18% O vos omnesO vos omnes
  43. 🔍 18% Ave Maria... virgo serenaAve Maria... virgo serena
  44. 🔍 18% O martyr egregieO martyr egregie
  45. 🔍 18% Descendit JesusDescendit Jesus
  46. 🔍 18% Te saeculorum PrincipemTe saeculorum Principem
  47. 🔍 18% AscendoAscendo
  48. 🔍 18% Dum novus hic MoysesDum novus hic Moyses
  49. 🔍 18% Exsultet iam angelicaExsultet iam angelica
  50. 🔍 18% Judaea et JerusalemJudaea et Jerusalem
  51. 🔍 17% Ave Regina caelorumAve Regina caelorum
  52. 🔍 17% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  53. 🔍 17% Cantate DominoCantate Domino
  54. 🔍 17% Venit lumenVenit lumen
  55. 🔍 17% Dum mediumDum medium
  56. 🔍 17% Deus qui sedesDeus qui sedes
  57. 🔍 17% Haec hora (Pentecostes)Haec hora (Pentecostes)
  58. 🔍 17% Sacerdotes DominiSacerdotes Domini
  59. 🔍 17% In medio EcclesiaeIn medio Ecclesiae
  60. 🔍 17% Te Deum PatremTe Deum Patrem
  61. 🔍 17% Erat quidam regulusErat quidam regulus
  62. 🔍 17% O decus EcclesiaeO decus Ecclesiae
  63. 🔍 17% Qui luce splendesQui luce splendes
  64. 🔍 17% Deus tuorum II Cl.Deus tuorum II Cl.
  65. 🔍 17% In humilitateIn humilitate