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% Cantantibus organisCantantibus organis
  2. 🔍 72% Cantantibus organisCantantibus organis
  3. 🔍 66% Cantantibus organisCantantibus organis
  4. 🔍 63% Cantantibus organisCantantibus organis
  5. 🔍 61% Cantantibus organisCantantibus organis
  6. 🔍 44% Cantantibus organisCantantibus organis
  7. 🔍 35% Fiat DomineFiat Domine
  8. 🔍 32% Est secretumEst secretum
  9. 🔍 30% Cantantibus organisCantantibus organis
  10. 🔍 28% Valerianus in cubiculoValerianus in cubiculo
  11. 🔍 25% Unus ex duobusUnus ex duobus
  12. 🔍 23% Quicumque certumQuicumque certum
  13. 🔍 23% Cilicio CaeciliaCilicio Caecilia
  14. 🔍 21% Cantemus Domino alleluiaCantemus Domino alleluia
  15. 🔍 21% Summi Parentis FilioSummi Parentis Filio
  16. 🔍 21% Exsultet jam AngelicaExsultet jam Angelica
  17. 🔍 21% Caecilia virgo AlmachiumCaecilia virgo Almachium
  18. 🔍 20% Eva virumEva virum
  19. 🔍 20% Repleatur osRepleatur os
  20. 🔍 20% Stabat Mater speciosa!Stabat Mater speciosa!
  21. 🔍 20% Stabat Mater dolorosaStabat Mater dolorosa
  22. 🔍 19% Esto mihiEsto mihi
  23. 🔍 19% Ne timeas MariaNe timeas Maria
  24. 🔍 19% Domine non est exaltatumDomine non est exaltatum
  25. 🔍 19% Jesu dulcisJesu dulcis
  26. 🔍 19% Repleatur os meumRepleatur os meum
  27. 🔍 19% Jesu nostra redemptioJesu nostra redemptio
  28. 🔍 19% Nos scientes sanctum nomenNos scientes sanctum nomen
  29. 🔍 19% Esto mihiEsto mihi
  30. 🔍 19% Repleatur osRepleatur os
  31. 🔍 19% Cor amandum SalvatorisCor amandum Salvatoris
  32. 🔍 19% Ave plena gratiaeAve plena gratiae
  33. 🔍 19% Laetare caelum desuperLaetare caelum desuper
  34. 🔍 19% Venite exsultemus VI*Venite exsultemus VI*
  35. 🔍 19% ConfessioConfessio
  36. 🔍 19% RepleaturRepleatur
  37. 🔍 19% Domine Jesu Christe (Ant.)Domine Jesu Christe (Ant.)
  38. 🔍 18% Stabat Mater (simple)Stabat Mater (simple)
  39. 🔍 18% ConfessioConfessio
  40. 🔍 18% Cantemus DominoCantemus Domino
  41. 🔍 18% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  42. 🔍 18% SanctimoniaSanctimonia
  43. 🔍 18% Invicte MartyrInvicte Martyr
  44. 🔍 18% Virginis CatharinaeVirginis Catharinae
  45. 🔍 18% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  46. 🔍 18% Respexit DominusRespexit Dominus
  47. 🔍 18% Praefatio de Conceptione Immaculata B.M.V.Praefatio de Conceptione Immaculata B.M.V.
  48. 🔍 18% Felix per omnesFelix per omnes
  49. 🔍 18% Cantate DominoCantate Domino
  50. 🔍 18% Festivis resonent compitaFestivis resonent compita
  51. 🔍 18% Legis sacrataeLegis sacratae
  52. 🔍 18% Expansis manibus orabatExpansis manibus orabat
  53. 🔍 18% Lectio Isaiae Prophetae... Dixit IsaiasLectio Isaiae Prophetae... Dixit Isaias
  54. 🔍 18% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  55. 🔍 18% Exsultet iam angelicaExsultet iam angelica
  56. 🔍 18% Beata Caecilia dixit adBeata Caecilia dixit ad
  57. 🔍 18% Decantabat populusDecantabat populus
  58. 🔍 18% Praefatio de S. WillibrordoPraefatio de S. Willibrordo
  59. 🔍 17% Virgo gloriosaVirgo gloriosa
  60. 🔍 17% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  61. 🔍 17% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  62. 🔍 17% LaetabundusLaetabundus
  63. 🔍 17% Cor Jesu (cantus V)Cor Jesu (cantus V)
  64. 🔍 17% Praefatio solemnis de sacratissimo Corde IesuPraefatio solemnis de sacratissimo Corde Iesu
  65. 🔍 17% Miserere (Ps 50)Miserere (Ps 50)