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% Ad te confugimusAd te confugimus
  2. 🔍 67% Ad te confugimusAd te confugimus
  3. 🔍 42% Alma RedemptorisAlma Redemptoris
  4. 🔍 39% Alma Redemptoris (tonus simplex)Alma Redemptoris (tonus simplex)
  5. 🔍 35% Alma RedemptorisAlma Redemptoris
  6. 🔍 33% Alma Redemptoris (monasticum)Alma Redemptoris (monasticum)
  7. 🔍 32% Alma Redemptoris (simple tone)Alma Redemptoris (simple tone)
  8. 🔍 32% Alma Redemptoris MaterAlma Redemptoris Mater
  9. 🔍 32% Alma RedemptorisAlma Redemptoris
  10. 🔍 32% Alma RedemptorisAlma Redemptoris
  11. 🔍 30% Alma RedemptorisAlma Redemptoris
  12. 🔍 30% Alma RedemptorisAlma Redemptoris
  13. 🔍 29% Ecce Maria erat...alleluiaEcce Maria erat...alleluia
  14. 🔍 28% O Maria, gratia plenaO Maria, gratia plena
  15. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  16. 🔍 27% Te Mater almaTe Mater alma
  17. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  18. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  19. 🔍 26% Ecce Maria eratEcce Maria erat
  20. 🔍 26% Te Matrem laudamusTe Matrem laudamus
  21. 🔍 26% Salve Regina (simplex)Salve Regina (simplex)
  22. 🔍 26% Gaudentes festumGaudentes festum
  23. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  24. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  25. 🔍 25% Sub tuam protectionem (cantus II)Sub tuam protectionem (cantus II)
  26. 🔍 25% Te concelebrent suoTe concelebrent suo
  27. 🔍 24% Salve Regina (tonus simplici)Salve Regina (tonus simplici)
  28. 🔍 24% Jam Christus astra ascenderatJam Christus astra ascenderat
  29. 🔍 24% Te gratulantesTe gratulantes
  30. 🔍 24% O vos aethereiO vos aetherei
  31. 🔍 24% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  32. 🔍 24% Te DeumTe Deum
  33. 🔍 24% Maria Mater gratiae (cantus III)Maria Mater gratiae (cantus III)
  34. 🔍 24% Te DeumTe Deum
  35. 🔍 24% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  36. 🔍 24% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  37. 🔍 24% Salve Regina (simple tone)Salve Regina (simple tone)
  38. 🔍 23% MemorareMemorare
  39. 🔍 23% Salve Regina (in cantu simplici)Salve Regina (in cantu simplici)
  40. 🔍 23% Sanctorum meritisSanctorum meritis
  41. 🔍 23% O esca viatorumO esca viatorum
  42. 🔍 23% Surge jam terrisSurge jam terris
  43. 🔍 23% Hymnus Te DeumHymnus Te Deum
  44. 🔍 23% Angelus Domini nuntiavit MariaeAngelus Domini nuntiavit Mariae
  45. 🔍 23% Sub tuam protectionemSub tuam protectionem
  46. 🔍 23% Aeterne rerum conditorAeterne rerum conditor
  47. 🔍 23% Ave Regis AngelorumAve Regis Angelorum
  48. 🔍 23% Angelorum escaAngelorum esca
  49. 🔍 23% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  50. 🔍 23% Christus resurrexitChristus resurrexit
  51. 🔍 23% Hymnus Te DeumHymnus Te Deum
  52. 🔍 23% Vidi aquam IIIVidi aquam III
  53. 🔍 23% Ave lumenAve lumen
  54. 🔍 22% Mente jucundaMente jucunda
  55. 🔍 22% Maria stabatMaria stabat
  56. 🔍 22% Te Deum (Simple tone)Te Deum (Simple tone)
  57. 🔍 22% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  58. 🔍 22% O sol salutis intimis (Alter tonus)O sol salutis intimis (Alter tonus)
  59. 🔍 22% Salve FranciadumSalve Franciadum
  60. 🔍 22% Ad te de luceAd te de luce
  61. 🔍 22% Mariae Virgini LaudesMariae Virgini Laudes
  62. 🔍 22% Benedixit Deum caeliBenedixit Deum caeli
  63. 🔍 22% Salve Regina (monasticum)Salve Regina (monasticum)
  64. 🔍 22% Ad te deAd te de
  65. 🔍 22% Te DeumTe Deum