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% Tantum ergo VIITantum ergo VII
  2. 🔍 81% Tantum ergo IXTantum ergo IX
  3. 🔍 79% Tantum ergo ITantum ergo I
  4. 🔍 78% Tantum ergo XITantum ergo XI
  5. 🔍 77% Tantum ergo VIIITantum ergo VIII
  6. 🔍 76% Tantum ergo VITantum ergo VI
  7. 🔍 76% Tantum ergo IIITantum ergo III
  8. 🔍 73% Tantum ergoTantum ergo
  9. 🔍 72% Tantum ergo VTantum ergo V
  10. 🔍 72% Tantum ergoTantum ergo
  11. 🔍 71% Tantum ergo (cantus V)Tantum ergo (cantus V)
  12. 🔍 71% Tantum ergo. IITantum ergo. II
  13. 🔍 70% Tantum ergo XIIITantum ergo XIII
  14. 🔍 69% Tantum ergoTantum ergo
  15. 🔍 68% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  16. 🔍 68% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  17. 🔍 67% Tantum ergo XIITantum ergo XII
  18. 🔍 67% Tantum ergo (modern chant)Tantum ergo (modern chant)
  19. 🔍 67% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  20. 🔍 64% Tantum ergo II (Italian)Tantum ergo II (Italian)
  21. 🔍 64% Tantum ergo XVTantum ergo XV
  22. 🔍 63% Tantum ergoTantum ergo
  23. 🔍 63% Tantum ergoTantum ergo
  24. 🔍 63% Tantum ergo SacramentumTantum ergo Sacramentum
  25. 🔍 62% Tantum ergo IVTantum ergo IV
  26. 🔍 62% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  27. 🔍 61% Tantum ergo.Tantum ergo.
  28. 🔍 60% Tantum ergo XTantum ergo X
  29. 🔍 60% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  30. 🔍 59% Tantum ergo.Tantum ergo.
  31. 🔍 58% Tantum ergo.Tantum ergo.
  32. 🔍 57% Tantum ergoTantum ergo
  33. 🔍 57% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  34. 🔍 57% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  35. 🔍 56% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  36. 🔍 52% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  37. 🔍 50% Tantum ergo. MozarabTantum ergo. Mozarab
  38. 🔍 45% Pange lingua... CorporisPange lingua... Corporis
  39. 🔍 43% Tantum ergo XIVTantum ergo XIV
  40. 🔍 42% Pange lingua... CorporisPange lingua... Corporis
  41. 🔍 41% Pange lingua... CorporisPange lingua... Corporis
  42. 🔍 41% Pange lingua... CorporisPange lingua... Corporis
  43. 🔍 39% Pange lingua... CorporisPange lingua... Corporis
  44. 🔍 39% Jesu dulcis amorJesu dulcis amor
  45. 🔍 37% Adesto sancta TrinitasAdesto sancta Trinitas
  46. 🔍 37% Quem terra pontus sideraQuem terra pontus sidera
  47. 🔍 36% Beata nobisBeata nobis
  48. 🔍 35% Te saeculorum PrincipemTe saeculorum Principem
  49. 🔍 35% Beata nobis gaudiaBeata nobis gaudia
  50. 🔍 35% Beata nobis gaudiaBeata nobis gaudia
  51. 🔍 34% Adoremus in aeternum IAdoremus in aeternum I
  52. 🔍 34% Justorum animae (Off.)Justorum animae (Off.)
  53. 🔍 34% Unus panisUnus panis
  54. 🔍 34% Immolabit haedumImmolabit haedum
  55. 🔍 33% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  56. 🔍 33% O MartineO Martine
  57. 🔍 33% O crux splendidiorO crux splendidior
  58. 🔍 33% Christe sanctorumChriste sanctorum
  59. 🔍 32% MemorareMemorare
  60. 🔍 30% Stetit PontifexStetit Pontifex
  61. 🔍 30% Duo SeraphimDuo Seraphim
  62. 🔍 30% ImmolabitImmolabit
  63. 🔍 30% ImmolabitImmolabit
  64. 🔍 30% O salutaris Hostia IIIO salutaris Hostia III
  65. 🔍 30% Mittit ad VirginemMittit ad Virginem