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% Quem vidistis pastoresQuem vidistis pastores
  2. 🔍 83% Quem vidistis pastores diciteQuem vidistis pastores dicite
  3. 🔍 79% Quem vidistisQuem vidistis
  4. 🔍 77% Quem vidistisQuem vidistis
  5. 🔍 54% Quem vidistisQuem vidistis
  6. 🔍 47% Quem vidistisQuem vidistis
  7. 🔍 41% Pastores dicite quidnam vidistisPastores dicite quidnam vidistis
  8. 🔍 33% Angelus ad pastoresAngelus ad pastores
  9. 🔍 32% Quem vidistisQuem vidistis
  10. 🔍 31% Quem vidistisQuem vidistis
  11. 🔍 30% Angelus ad pastoresAngelus ad pastores
  12. 🔍 30% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  13. 🔍 30% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  14. 🔍 30% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  15. 🔍 29% Angelus ad pastoresAngelus ad pastores
  16. 🔍 29% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  17. 🔍 28% Assumpta est Maria ... allel.Assumpta est Maria ... allel.
  18. 🔍 27% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  19. 🔍 27% Alleluia LaudateAlleluia Laudate
  20. 🔍 27% Gloriosus apparuistiGloriosus apparuisti
  21. 🔍 27% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  22. 🔍 26% Exaltata est Virgo MariaExaltata est Virgo Maria
  23. 🔍 26% Gustate et videteGustate et videte
  24. 🔍 26% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  25. 🔍 26% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  26. 🔍 26% Puer natus in BethlehemPuer natus in Bethlehem
  27. 🔍 26% Alleluia (mode 8)Alleluia (mode 8)
  28. 🔍 26% Alleluia Omnes GentesAlleluia Omnes Gentes
  29. 🔍 26% Alleluia Lapis revolutusAlleluia Lapis revolutus
  30. 🔍 26% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  31. 🔍 26% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  32. 🔍 26% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  33. 🔍 26% Alleluia (mode 8)Alleluia (mode 8)
  34. 🔍 25% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  35. 🔍 25% Visionem quam vidistisVisionem quam vidistis
  36. 🔍 25% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  37. 🔍 25% Surrexit Dominus vereSurrexit Dominus vere
  38. 🔍 25% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  39. 🔍 25% Quem vidistis (Resp.)Quem vidistis (Resp.)
  40. 🔍 25% Lux de luceLux de luce
  41. 🔍 25% Maria et fluminaMaria et flumina
  42. 🔍 25% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  43. 🔍 25% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  44. 🔍 25% AlleluiaAlleluia
  45. 🔍 24% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  46. 🔍 24% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  47. 🔍 24% Amavit eum Dominus (Resp. Br. T.P.)Amavit eum Dominus (Resp. Br. T.P.)
  48. 🔍 24% Alleluia (T. P. Vesp. Fer. V.)Alleluia (T. P. Vesp. Fer. V.)
  49. 🔍 24% Alleluia Faciem tuamAlleluia Faciem tuam
  50. 🔍 24% Alleluia Deduc meAlleluia Deduc me
  51. 🔍 24% Surrexit Dominus vereSurrexit Dominus vere
  52. 🔍 24% Spiritus et animaeSpiritus et animae
  53. 🔍 24% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  54. 🔍 24% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  55. 🔍 24% Magnificate DominumMagnificate Dominum
  56. 🔍 24% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  57. 🔍 24% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  58. 🔍 24% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  59. 🔍 24% Omnes GentesOmnes Gentes
  60. 🔍 24% Alleluia laudate DominumAlleluia laudate Dominum
  61. 🔍 24% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  62. 🔍 24% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  63. 🔍 24% Ante luciferum genitusAnte luciferum genitus
  64. 🔍 24% Regina caeliRegina caeli
  65. 🔍 24% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)