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% Panis angelicus IIPanis angelicus II
  2. 🔍 79% Panis angelicus IIIPanis angelicus III
  3. 🔍 71% Panis angelicus (Biton)Panis angelicus (Biton)
  4. 🔍 69% Panis angelicus IPanis angelicus I
  5. 🔍 60% Panis angelicusPanis angelicus
  6. 🔍 54% Sacris solemniis (another chant)Sacris solemniis (another chant)
  7. 🔍 36% Sacris SolemnisSacris Solemnis
  8. 🔍 33% Sacris solemniisSacris solemniis
  9. 🔍 32% Stat cultrix vigilansStat cultrix vigilans
  10. 🔍 32% Sacris SolemnisSacris Solemnis
  11. 🔍 32% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  12. 🔍 30% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  13. 🔍 30% O mira caritasO mira caritas
  14. 🔍 30% Adoremus in aeternumAdoremus in aeternum
  15. 🔍 30% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  16. 🔍 30% Te nostra laetisTe nostra laetis
  17. 🔍 30% Jam sol recedit igneusJam sol recedit igneus
  18. 🔍 29% Sacris solemniisSacris solemniis
  19. 🔍 29% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  20. 🔍 29% Jam sol receditJam sol recedit
  21. 🔍 29% Immensa et unaImmensa et una
  22. 🔍 29% Nullis te genitorNullis te genitor
  23. 🔍 29% Sacris solemniisSacris solemniis
  24. 🔍 29% Festivis resonent compitaFestivis resonent compita
  25. 🔍 29% Gloria VIIGloria VII
  26. 🔍 29% Benedicta semperBenedicta semper
  27. 🔍 29% Tu Trinitatis UnitasTu Trinitatis Unitas
  28. 🔍 29% Jam sol receditJam sol recedit
  29. 🔍 29% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  30. 🔍 28% Praefatio de Adventu IPraefatio de Adventu I
  31. 🔍 28% Praefatio solemnis de sanctissima TrinitatePraefatio solemnis de sanctissima Trinitate
  32. 🔍 28% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  33. 🔍 28% O castitatis signiferO castitatis signifer
  34. 🔍 28% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  35. 🔍 28% Cohors beata SeraphimCohors beata Seraphim
  36. 🔍 28% Jam sol recedit igneus (Blessed Trinity)Jam sol recedit igneus (Blessed Trinity)
  37. 🔍 28% Regali solio fortisRegali solio fortis
  38. 🔍 28% Ex more docti mysticoEx more docti mystico
  39. 🔍 28% Regali solioRegali solio
  40. 🔍 27% O lux beata TrinitasO lux beata Trinitas
  41. 🔍 27% Praefatio solemnior de AdventuPraefatio solemnior de Adventu
  42. 🔍 27% O lux beata TrinitasO lux beata Trinitas
  43. 🔍 27% Qui luce splendesQui luce splendes
  44. 🔍 27% Commune vos apostoliCommune vos apostoli
  45. 🔍 27% A solis ortusA solis ortus
  46. 🔍 27% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  47. 🔍 27% Ecce panis AngelorumEcce panis Angelorum
  48. 🔍 27% Veni Redemptor gentiumVeni Redemptor gentium
  49. 🔍 27% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  50. 🔍 27% Exsultet jam AngelicaExsultet jam Angelica
  51. 🔍 26% Praefatio solemnis de sanctissima EucharistiaPraefatio solemnis de sanctissima Eucharistia
  52. 🔍 26% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  53. 🔍 26% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  54. 🔍 26% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  55. 🔍 26% Ave Maria... virgo serenaAve Maria... virgo serena
  56. 🔍 26% Qui luce splendesQui luce splendes
  57. 🔍 26% Hymnus Te DeumHymnus Te Deum
  58. 🔍 26% Apostolorum passio diemApostolorum passio diem
  59. 🔍 26% Relucens inter principesRelucens inter principes
  60. 🔍 26% Praefatio solemnis de AngelisPraefatio solemnis de Angelis
  61. 🔍 26% Te DeumTe Deum
  62. 🔍 26% Praefatio ferialis de Ecclesiae DedicationePraefatio ferialis de Ecclesiae Dedicatione
  63. 🔍 26% Summae Parens clementiaeSummae Parens clementiae
  64. 🔍 26% Te DeumTe Deum
  65. 🔍 25% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.