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% Secus decursusSecus decursus
  2. 🔍 62% Secus decursus aquarumSecus decursus aquarum
  3. 🔍 59% Secus decursus aquarumSecus decursus aquarum
  4. 🔍 33% In lege DominiIn lege Domini
  5. 🔍 33% Tamquam aurumTamquam aurum
  6. 🔍 33% Si coram hominibusSi coram hominibus
  7. 🔍 31% In universa terraIn universa terra
  8. 🔍 29% Filii hominum scitoteFilii hominum scitote
  9. 🔍 28% Novit DominusNovit Dominus
  10. 🔍 28% Habitabit (alter tonus)Habitabit (alter tonus)
  11. 🔍 27% Scuto bonae voluntatis tuaeScuto bonae voluntatis tuae
  12. 🔍 27% Deus deorumDeus deorum
  13. 🔍 26% Deus adjuvat meDeus adjuvat me
  14. 🔍 26% Quam admirabileQuam admirabile
  15. 🔍 25% In omnem terramIn omnem terram
  16. 🔍 25% Justus DominusJustus Dominus
  17. 🔍 24% Magnus Dominus... in civitateMagnus Dominus... in civitate
  18. 🔍 24% Voce meaVoce mea
  19. 🔍 23% Sanctis qui in terraSanctis qui in terra
  20. 🔍 23% Aedificavit DeusAedificavit Deus
  21. 🔍 23% Alieni insurrexerunt in meAlieni insurrexerunt in me
  22. 🔍 23% IntellegiteIntellegite
  23. 🔍 23% Dirige DomineDirige Domine
  24. 🔍 23% Justi autemJusti autem
  25. 🔍 22% InvocantemInvocantem
  26. 🔍 22% Fundata estFundata est
  27. 🔍 22% Laetamini in DominoLaetamini in Domino
  28. 🔍 22% Deus adjutor est eorumDeus adjutor est eorum
  29. 🔍 22% Ecce Angelus DominiEcce Angelus Domini
  30. 🔍 22% Veritas de terraVeritas de terra
  31. 🔍 22% Redemit ... eosRedemit ... eos
  32. 🔍 22% Clamaverunt justiClamaverunt justi
  33. 🔍 22% Sana DomineSana Domine
  34. 🔍 22% Beatus vir qui in lege ... voluntasBeatus vir qui in lege ... voluntas
  35. 🔍 22% Dignum sibi DominusDignum sibi Dominus
  36. 🔍 22% ConvertereConvertere
  37. 🔍 22% In pace factus estIn pace factus est
  38. 🔍 21% Ego sum qui sumEgo sum qui sum
  39. 🔍 21% Justus DominusJustus Dominus
  40. 🔍 21% Suscepimus DeusSuscepimus Deus
  41. 🔍 21% Venite adoremus eumVenite adoremus eum
  42. 🔍 21% Inclina DomineInclina Domine
  43. 🔍 21% Credo videreCredo videre
  44. 🔍 21% Alleluia alleluia alleluia (Quarta T.P. in II Nocturno)Alleluia alleluia alleluia (Quarta T.P. in II Nocturno)
  45. 🔍 21% Admonitus in somnis JosephAdmonitus in somnis Joseph
  46. 🔍 21% Adorate DeumAdorate Deum
  47. 🔍 21% Trahe me... oleumTrahe me... oleum
  48. 🔍 21% Adorate DominumAdorate Dominum
  49. 🔍 21% Domine iste SanctusDomine iste Sanctus
  50. 🔍 21% In ecclesiisIn ecclesiis
  51. 🔍 21% In Deo salutare meumIn Deo salutare meum
  52. 🔍 21% Tamquam sponsusTamquam sponsus
  53. 🔍 21% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  54. 🔍 21% Credo videreCredo videre
  55. 🔍 21% Hic accipietHic accipiet
  56. 🔍 21% Memores eruntMemores erunt
  57. 🔍 20% Adorate Dominum omnes angeliAdorate Dominum omnes angeli
  58. 🔍 20% Cum tribularenturCum tribularentur
  59. 🔍 20% Laetentur omnes ... quoniamLaetentur omnes ... quoniam
  60. 🔍 20% Domine abstraxistiDomine abstraxisti
  61. 🔍 20% Dominus Jesus ChristusDominus Jesus Christus
  62. 🔍 20% Mirificavit DominusMirificavit Dominus
  63. 🔍 20% Ne taceas DeusNe taceas Deus
  64. 🔍 20% Dedisti hereditatemDedisti hereditatem
  65. 🔍 20% Insurrexerunt in meInsurrexerunt in me