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% Spiritus Sanctus ... et virtusSpiritus Sanctus ... et virtus
  2. 🔍 95% Spiritus SanctusSpiritus Sanctus
  3. 🔍 67% Spiritus Sanctus...et virtusSpiritus Sanctus...et virtus
  4. 🔍 61% Spiritus SanctusSpiritus Sanctus
  5. 🔍 45% Spiritus Sanctus ... ne timeasSpiritus Sanctus ... ne timeas
  6. 🔍 43% Quomodo fietQuomodo fiet
  7. 🔍 39% Spiritus sanctus in te (I)Spiritus sanctus in te (I)
  8. 🔍 39% Spiritus quiSpiritus qui
  9. 🔍 39% Spiritus sanctus in te (II)Spiritus sanctus in te (II)
  10. 🔍 38% Dixit autem MariaDixit autem Maria
  11. 🔍 37% Spiritus SanctusSpiritus Sanctus
  12. 🔍 36% Omnis spiritusOmnis spiritus
  13. 🔍 35% Spiritus Sanctus in te descendetSpiritus Sanctus in te descendet
  14. 🔍 35% Spiritus et animaeSpiritus et animae
  15. 🔍 35% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  16. 🔍 34% Spiritus Sanctus in teSpiritus Sanctus in te
  17. 🔍 34% Spiritus Sanctus in teSpiritus Sanctus in te
  18. 🔍 34% Paraclitus autemParaclitus autem
  19. 🔍 34% Veniet Dominus et nonVeniet Dominus et non
  20. 🔍 34% Sancti et justiSancti et justi
  21. 🔍 34% Spiritus Domini replevitSpiritus Domini replevit
  22. 🔍 33% Scapulis suisScapulis suis
  23. 🔍 33% Spiritus Domini replevitSpiritus Domini replevit
  24. 🔍 33% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  25. 🔍 33% Spiritus sanctus (Off. Parvum BMV)Spiritus sanctus (Off. Parvum BMV)
  26. 🔍 33% Spiritus Domini replevitSpiritus Domini replevit
  27. 🔍 33% Spiritus Sanctus in teSpiritus Sanctus in te
  28. 🔍 32% Spiritus SanctusSpiritus Sanctus
  29. 🔍 32% Si diligitis meSi diligitis me
  30. 🔍 32% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  31. 🔍 32% Quomodo fiet istudQuomodo fiet istud
  32. 🔍 32% Usque modoUsque modo
  33. 🔍 32% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  34. 🔍 32% Ne timeasNe timeas
  35. 🔍 32% Spiritus SanctusSpiritus Sanctus
  36. 🔍 32% Angelus autem DominiAngelus autem Domini
  37. 🔍 31% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  38. 🔍 31% Sancte Paule ApostoleSancte Paule Apostole
  39. 🔍 31% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  40. 🔍 31% Lux de luceLux de luce
  41. 🔍 31% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  42. 🔍 31% Oleum effusumOleum effusum
  43. 🔍 31% Gloria in excelsisGloria in excelsis
  44. 🔍 31% Sancti spiritusSancti spiritus
  45. 🔍 31% Factus estFactus est
  46. 🔍 31% Benedico... FiliumBenedico... Filium
  47. 🔍 31% Ne timeas... alleluiaNe timeas... alleluia
  48. 🔍 31% Spiritus quiSpiritus qui
  49. 🔍 31% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  50. 🔍 31% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  51. 🔍 31% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  52. 🔍 31% Si iniquitates (Ant)Si iniquitates (Ant)
  53. 🔍 30% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  54. 🔍 30% Spiritus SanctusSpiritus Sanctus
  55. 🔍 30% Quomodo fiet istudQuomodo fiet istud
  56. 🔍 30% Miserere mihiMiserere mihi
  57. 🔍 30% Apertis thesaurisApertis thesauris
  58. 🔍 30% Si manseritis in meSi manseritis in me
  59. 🔍 30% Tulerunt DominumTulerunt Dominum
  60. 🔍 30% Ego in altissimisEgo in altissimis
  61. 🔍 30% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  62. 🔍 30% Benedicta es tuBenedicta es tu
  63. 🔍 30% Exaltata est Virgo MariaExaltata est Virgo Maria
  64. 🔍 30% Descendit Jesus cum eis (Ant.)Descendit Jesus cum eis (Ant.)
  65. 🔍 30% Ascendit DeusAscendit Deus