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% In conspectu... Domine DeusIn conspectu... Domine Deus
  2. 🔍 80% In conspectu... adorabo (All)In conspectu... adorabo (All)
  3. 🔍 52% In conspectu... Domine DeusIn conspectu... Domine Deus
  4. 🔍 46% In conspectu... adorabo (All)In conspectu... adorabo (All)
  5. 🔍 41% In conspectu AngelorumIn conspectu Angelorum
  6. 🔍 40% In conspectu... Domine DeusIn conspectu... Domine Deus
  7. 🔍 33% Beata nobis gaudiaBeata nobis gaudia
  8. 🔍 33% Beata nobis gaudiaBeata nobis gaudia
  9. 🔍 31% Inter natosInter natos
  10. 🔍 31% Te saeculorum PrincipemTe saeculorum Principem
  11. 🔍 30% Beata nobis gaudiaBeata nobis gaudia
  12. 🔍 30% Beata nobis gaudiaBeata nobis gaudia
  13. 🔍 30% Te saeculorum PrincipemTe saeculorum Principem
  14. 🔍 29% Beata nobisBeata nobis
  15. 🔍 29% Inclinet DominusInclinet Dominus
  16. 🔍 29% Justorum animae (Off.)Justorum animae (Off.)
  17. 🔍 29% Stetit PontifexStetit Pontifex
  18. 🔍 29% Te saeculorum PrincipemTe saeculorum Principem
  19. 🔍 28% Stetit Angelus (Off)Stetit Angelus (Off)
  20. 🔍 28% Justorum animae (Off.)Justorum animae (Off.)
  21. 🔍 28% In conspectu Angelorum ... Votive MassIn conspectu Angelorum ... Votive Mass
  22. 🔍 27% Stetit pontifexStetit pontifex
  23. 🔍 27% Stetit PontifexStetit Pontifex
  24. 🔍 27% VerumtamenVerumtamen
  25. 🔍 26% Felix namque esFelix namque es
  26. 🔍 26% AemulorAemulor
  27. 🔍 26% Inclinet DominusInclinet Dominus
  28. 🔍 25% Felix namque esFelix namque es
  29. 🔍 25% O salutaris Hostia IIIO salutaris Hostia III
  30. 🔍 25% Justorum animaeJustorum animae
  31. 🔍 25% Amavit eum Dominus (All.)Amavit eum Dominus (All.)
  32. 🔍 24% Ave Regina caelorumAve Regina caelorum
  33. 🔍 24% Quomodo fiet istudQuomodo fiet istud
  34. 🔍 24% Stetit Angelus (Off, verses)Stetit Angelus (Off, verses)
  35. 🔍 24% Optime PaterOptime Pater
  36. 🔍 24% Felix namque esFelix namque es
  37. 🔍 24% Viri GalilaeiViri Galilaei
  38. 🔍 23% Audita est quasi voxAudita est quasi vox
  39. 🔍 23% Stetit Angelus (Off)Stetit Angelus (Off)
  40. 🔍 23% ExsultaboExsultabo
  41. 🔍 23% Iesu Salvator saeculiIesu Salvator saeculi
  42. 🔍 23% Stetit Angelus (Off)Stetit Angelus (Off)
  43. 🔍 23% Justorum animaeJustorum animae
  44. 🔍 23% Surrexit Dominus etSurrexit Dominus et
  45. 🔍 22% ExsultaboExsultabo
  46. 🔍 22% Quam magnaQuam magna
  47. 🔍 22% VerumtamenVerumtamen
  48. 🔍 22% De quacumqueDe quacumque
  49. 🔍 22% Stetit AngelusStetit Angelus
  50. 🔍 22% ConfitebunturConfitebuntur
  51. 🔍 21% ConcaluitConcaluit
  52. 🔍 21% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  53. 🔍 21% Mirabilis DominusMirabilis Dominus
  54. 🔍 21% Benedicta et venerabilisBenedicta et venerabilis
  55. 🔍 21% Viri GalilaeiViri Galilaei
  56. 🔍 21% Dignus es DomineDignus es Domine
  57. 🔍 21% In conspectu AngelorumIn conspectu Angelorum
  58. 🔍 21% Per te Dei GenitrixPer te Dei Genitrix
  59. 🔍 21% Cornelius centurioCornelius centurio
  60. 🔍 21% Vexilla Regis prodeuntVexilla Regis prodeunt
  61. 🔍 21% Hic MartinusHic Martinus
  62. 🔍 20% Obaudite meObaudite me
  63. 🔍 20% Vexilla Regis (with all original stanzas)Vexilla Regis (with all original stanzas)
  64. 🔍 20% Vexilla RegisVexilla Regis
  65. 🔍 20% Vexilla Regis (Inventio Sanctae Crucis)Vexilla Regis (Inventio Sanctae Crucis)