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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Nunc decetNunc decet
  2. πŸ” 30% Ecce panis AngelorumEcce panis Angelorum
  3. πŸ” 30% Exsultet jam AngelicaExsultet jam Angelica
  4. πŸ” 30% Virginis proles (II)Virginis proles (II)
  5. πŸ” 29% Sursum sonetSursum sonet
  6. πŸ” 29% Ecce panis AngelorumEcce panis Angelorum
  7. πŸ” 29% Lauda SionLauda Sion
  8. πŸ” 29% O mira caritasO mira caritas
  9. πŸ” 29% Nocte surgentesNocte surgentes
  10. πŸ” 28% Sanctitatis nova signaSanctitatis nova signa
  11. πŸ” 28% Sanctitatis nova signaSanctitatis nova signa
  12. πŸ” 28% Regali solioRegali solio
  13. πŸ” 28% Nullis te genitorNullis te genitor
  14. πŸ” 28% Lauda SionLauda Sion
  15. πŸ” 28% Commune vos apostoliCommune vos apostoli
  16. πŸ” 28% Regali solio fortisRegali solio fortis
  17. πŸ” 28% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  18. πŸ” 28% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  19. πŸ” 27% Incipit Oratio Jeremiae ProphetaeIncipit Oratio Jeremiae Prophetae
  20. πŸ” 27% Regali solio fortisRegali solio fortis
  21. πŸ” 27% Lauda Sion (forma breviore)Lauda Sion (forma breviore)
  22. πŸ” 27% Luce divinaLuce divina
  23. πŸ” 27% Ecce panis angelorumEcce panis angelorum
  24. πŸ” 27% O castitatis signiferO castitatis signifer
  25. πŸ” 26% Miserere mei... secundumMiserere mei... secundum
  26. πŸ” 26% Miserere (Ps 50)Miserere (Ps 50)
  27. πŸ” 26% Ave Regis AngelorumAve Regis Angelorum
  28. πŸ” 26% Sanctorum meritisSanctorum meritis
  29. πŸ” 26% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  30. πŸ” 26% Te DeumTe Deum
  31. πŸ” 26% Te DeumTe Deum
  32. πŸ” 26% Praefatio solemnis de sanctissima EucharistiaPraefatio solemnis de sanctissima Eucharistia
  33. πŸ” 26% Quid trucesQuid truces
  34. πŸ” 26% Stabat Mater speciosa!Stabat Mater speciosa!
  35. πŸ” 26% Iste confessor (II)Iste confessor (II)
  36. πŸ” 26% Lauda SionLauda Sion
  37. πŸ” 26% Gloria VIIGloria VII
  38. πŸ” 26% Deus, qui potestΓ‘teDeus, qui potestΓ‘te
  39. πŸ” 26% Roma Petro GlorieturRoma Petro Glorietur
  40. πŸ” 26% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  41. πŸ” 26% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  42. πŸ” 26% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  43. πŸ” 25% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  44. πŸ” 25% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  45. πŸ” 25% Praefatio de Adventu IPraefatio de Adventu I
  46. πŸ” 25% O sator rerumO sator rerum
  47. πŸ” 25% Christe Sanctorum (S. Mich.)Christe Sanctorum (S. Mich.)
  48. πŸ” 25% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  49. πŸ” 25% Adoro te devoteAdoro te devote
  50. πŸ” 25% Stabat Mater speciosaStabat Mater speciosa
  51. πŸ” 25% Hymnus Te DeumHymnus Te Deum
  52. πŸ” 25% Audi Israel praecepta (Resp.)Audi Israel praecepta (Resp.)
  53. πŸ” 25% Praefatio solemnis de sacratissimo Corde IesuPraefatio solemnis de sacratissimo Corde Iesu
  54. πŸ” 25% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  55. πŸ” 25% Ave Maria... virgo serenaAve Maria... virgo serena
  56. πŸ” 25% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  57. πŸ” 25% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  58. πŸ” 25% Praeclara qua tu gloriaPraeclara qua tu gloria
  59. πŸ” 25% Te Deum PatremTe Deum Patrem
  60. πŸ” 25% Te Deum (Simple tone)Te Deum (Simple tone)
  61. πŸ” 25% Doctori gentium!Doctori gentium!
  62. πŸ” 25% Praefatio solemnior de sancto Ioseph Sponso B. M. V.Praefatio solemnior de sancto Ioseph Sponso B. M. V.
  63. πŸ” 25% Te nostra laetisTe nostra laetis
  64. πŸ” 25% Veni Redemptor gentiumVeni Redemptor gentium
  65. πŸ” 25% Martyr Dei qui unicumMartyr Dei qui unicum