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% Mulier quae erat ... attulitMulier quae erat ... attulit
  2. 🔍 85% Mulier quae eratMulier quae erat
  3. 🔍 80% MulierMulier
  4. 🔍 79% Mulier quae erat... atulitMulier quae erat... atulit
  5. 🔍 70% Mulier quae erat ... stansMulier quae erat ... stans
  6. 🔍 66% Mulier quae erat... stansMulier quae erat... stans
  7. 🔍 54% Mulier quae erat ... ut cognovitMulier quae erat ... ut cognovit
  8. 🔍 50% In diebus illis mulierIn diebus illis mulier
  9. 🔍 48% In diebus illisIn diebus illis
  10. 🔍 47% In diebus illisIn diebus illis
  11. 🔍 45% In diebus illis mulier quae eratIn diebus illis mulier quae erat
  12. 🔍 38% In diebus illisIn diebus illis
  13. 🔍 31% Maria ergo unxitMaria ergo unxit
  14. 🔍 28% Sequentia...Ante sex dies PaschaeSequentia...Ante sex dies Paschae
  15. 🔍 26% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  16. 🔍 25% Crudelis Herodes Deum (another chant)Crudelis Herodes Deum (another chant)
  17. 🔍 25% Gloria VGloria V
  18. 🔍 25% Gloria IIIGloria III
  19. 🔍 24% Domine tu mihiDomine tu mihi
  20. 🔍 24% Haec corde compunctaHaec corde compuncta
  21. 🔍 24% Maria unxitMaria unxit
  22. 🔍 24% Gloria XIGloria XI
  23. 🔍 24% Maria ergoMaria ergo
  24. 🔍 24% Stans a longeStans a longe
  25. 🔍 24% O mulierO mulier
  26. 🔍 24% Miserere (Ps 50)Miserere (Ps 50)
  27. 🔍 24% Crudelis Herodes (Alter tonus)Crudelis Herodes (Alter tonus)
  28. 🔍 23% O quot undis lacrimarumO quot undis lacrimarum
  29. 🔍 23% En ut superba criminumEn ut superba criminum
  30. 🔍 23% Ante diem festum PaschaeAnte diem festum Paschae
  31. 🔍 23% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  32. 🔍 23% Pange lingua... LaureamPange lingua... Lauream
  33. 🔍 23% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  34. 🔍 23% Hostis HerodesHostis Herodes
  35. 🔍 22% Gloria VGloria V
  36. 🔍 22% Pange lingua... proeliumPange lingua... proelium
  37. 🔍 22% Maria ergo unxitMaria ergo unxit
  38. 🔍 22% Quae est ista quae ascenditQuae est ista quae ascendit
  39. 🔍 22% Beata es Virgo Maria Dei G.Beata es Virgo Maria Dei G.
  40. 🔍 22% Deus tuorum II Cl.Deus tuorum II Cl.
  41. 🔍 22% EmendemusEmendemus
  42. 🔍 21% Ad cenamAd cenam
  43. 🔍 21% Stans autem JesusStans autem Jesus
  44. 🔍 21% Cor arca legem continensCor arca legem continens
  45. 🔍 21% Pange Lingua... ProeliumPange Lingua... Proelium
  46. 🔍 21% Jesu Fili summi PatrisJesu Fili summi Patris
  47. 🔍 21% Ibat Jesus in civitatemIbat Jesus in civitatem
  48. 🔍 21% Maria ergo unxitMaria ergo unxit
  49. 🔍 21% Coelitum JosephCoelitum Joseph
  50. 🔍 21% Omnis expertem maculaeOmnis expertem maculae
  51. 🔍 21% Gloria IVGloria IV
  52. 🔍 21% Veni Creator SpiritusVeni Creator Spiritus
  53. 🔍 21% Stans a longe publicanusStans a longe publicanus
  54. 🔍 21% Crudelis HerodesCrudelis Herodes
  55. 🔍 21% Gloria XGloria X
  56. 🔍 21% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  57. 🔍 21% Gloria IGloria I
  58. 🔍 21% Mulier amicta soleMulier amicta sole
  59. 🔍 21% Domine tu mihiDomine tu mihi
  60. 🔍 21% Domine tu mihiDomine tu mihi
  61. 🔍 21% Lustra sex qui jamLustra sex qui jam
  62. 🔍 21% Iste confessor (III)Iste confessor (III)
  63. 🔍 20% Omnis expertemOmnis expertem
  64. 🔍 20% Gloria IGloria I
  65. 🔍 20% Passio DNJC secundum MarcumPassio DNJC secundum Marcum