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% Incipit lamentatio (litterae)Incipit lamentatio (litterae)
  2. 🔍 71% De Lamentatione...Heth MisericordiaeDe Lamentatione...Heth Misericordiae
  3. 🔍 67% Aleph Ego vir vidensAleph Ego vir videns
  4. 🔍 56% Aleph Quomodo obscuratumAleph Quomodo obscuratum
  5. 🔍 39% Jod Manum suam misitJod Manum suam misit
  6. 🔍 38% Incipit lamentatio Jeremiae ProphetaeIncipit lamentatio Jeremiae Prophetae
  7. 🔍 36% De Lamentatione...HethDe Lamentatione...Heth
  8. 🔍 36% Vau et egressus estVau et egressus est
  9. 🔍 35% Lamed Matribus suis dixeruntLamed Matribus suis dixerunt
  10. 🔍 16% Gratias tibi DeusGratias tibi Deus
  11. 🔍 9% Lamentationes 5.1 Incipit lamentatio Ieremiae ProphetaeLamentationes 5.1 Incipit lamentatio Ieremiae Prophetae
  12. 🔍 9% Lamentationes 7.1 De lamentationeLamentationes 7.1 De lamentatione
  13. 🔍 9% Incipit Oratio Jeremiae ProphetaeIncipit Oratio Jeremiae Prophetae
  14. 🔍 9% Ecce vidimus Ecce vidimus
  15. 🔍 9% Lamentationes 7.3 Teth. Melius fuitLamentationes 7.3 Teth. Melius fuit
  16. 🔍 8% Ista est speciosa (Virginum)Ista est speciosa (Virginum)
  17. 🔍 8% Lamentationes 6.1 De lamentatione Ieremiae ProphetaeLamentationes 6.1 De lamentatione Ieremiae Prophetae
  18. 🔍 8% Lamentationes 5.3 Zain. Recordata est IerusalemLamentationes 5.3 Zain. Recordata est Ierusalem
  19. 🔍 8% Lauda JerusalemLauda Jerusalem
  20. 🔍 8% Lauda JerusalemLauda Jerusalem
  21. 🔍 7% Lamentationes 6.3 Zain. RepulitLamentationes 6.3 Zain. Repulit
  22. 🔍 7% Lauda JerusalemLauda Jerusalem
  23. 🔍 7% Lamentatio VLamentatio V
  24. 🔍 7% Lamentatio IVLamentatio IV
  25. 🔍 7% Lauda Jerusalem DominumLauda Jerusalem Dominum
  26. 🔍 6% Lamentatio ILamentatio I
  27. 🔍 6% De Lamentatione...Heth MisericordiaeDe Lamentatione...Heth Misericordiae
  28. 🔍 6% Lauda JerusalemLauda Jerusalem
  29. 🔍 6% Lamentationes 7.2 He. Qui vescebanturLamentationes 7.2 He. Qui vescebantur
  30. 🔍 6% Totus formosus!Totus formosus!
  31. 🔍 6% Matribus suis Matribus suis
  32. 🔍 6% Lamentatio IILamentatio II
  33. 🔍 6% Lamentationes 6.2 Daleth. TetenditLamentationes 6.2 Daleth. Tetendit
  34. 🔍 6% Ecce veniet Propheta magnusEcce veniet Propheta magnus
  35. 🔍 6% Ecce veniet prophetaEcce veniet propheta
  36. 🔍 6% Lamentationes 5.2 Daleth. Viae Sion lugentLamentationes 5.2 Daleth. Viae Sion lugent
  37. 🔍 6% Dabo in SionDabo in Sion
  38. 🔍 6% Lauda IerusalemLauda Ierusalem
  39. 🔍 6% Lamentatio VIILamentatio VII
  40. 🔍 6% Ecce veniet prophetaEcce veniet propheta
  41. 🔍 6% Laeta DiesLaeta Dies
  42. 🔍 6% Nigra sumNigra sum
  43. 🔍 6% Dabo in SionDabo in Sion
  44. 🔍 6% Ibant parentes JesuIbant parentes Jesu
  45. 🔍 6% Credo I.Credo I.
  46. 🔍 6% Dabo in SionDabo in Sion
  47. 🔍 6% Laetamini cum Jerusalem (Ant.)Laetamini cum Jerusalem (Ant.)
  48. 🔍 5% Jerusalem respiceJerusalem respice
  49. 🔍 5% Super te Jerusalem orieturSuper te Jerusalem orietur
  50. 🔍 5% Laetamini cum JerusalemLaetamini cum Jerusalem
  51. 🔍 5% Lamentatio IXLamentatio IX
  52. 🔍 5% Jerusalem surge et exue teJerusalem surge et exue te
  53. 🔍 5% Cum redirent remansitCum redirent remansit
  54. 🔍 5% Ecce veniet prophetaEcce veniet propheta
  55. 🔍 5% Miserere mei... secundumMiserere mei... secundum
  56. 🔍 5% Ecce veniet Propheta magnusEcce veniet Propheta magnus
  57. 🔍 5% Fac benigneFac benigne
  58. 🔍 5% Lamentatio IIILamentatio III
  59. 🔍 5% Ponam in SionPonam in Sion
  60. 🔍 5% JucundareJucundare
  61. 🔍 5% Dabo in SionDabo in Sion
  62. 🔍 5% Cum redirentCum redirent
  63. 🔍 5% Tu gloria... o RosaTu gloria... o Rosa
  64. 🔍 5% Miserere (Ps 50)Miserere (Ps 50)
  65. 🔍 5% Vau. Et egressus estVau. Et egressus est