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% ExtollensExtollens
  2. 🔍 94% Extollens vocemExtollens vocem
  3. 🔍 73% Extollens quaedam mulierExtollens quaedam mulier
  4. 🔍 65% Extollens quaedamExtollens quaedam
  5. 🔍 63% Extollens quaedamExtollens quaedam
  6. 🔍 53% Extollens quaedamExtollens quaedam
  7. 🔍 48% Extollens vocemExtollens vocem
  8. 🔍 43% Dixit autem dominusDixit autem dominus
  9. 🔍 41% Beata es Maria (Visitation)Beata es Maria (Visitation)
  10. 🔍 41% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  11. 🔍 39% Serve boneServe bone
  12. 🔍 38% Beata Agnes in medioBeata Agnes in medio
  13. 🔍 38% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  14. 🔍 36% Sancte Paule ApostoleSancte Paule Apostole
  15. 🔍 36% Ne timeasNe timeas
  16. 🔍 36% Est secretumEst secretum
  17. 🔍 35% Quid faciamQuid faciam
  18. 🔍 35% Ne timeas... alleluiaNe timeas... alleluia
  19. 🔍 35% Et ipse JesusEt ipse Jesus
  20. 🔍 35% Magna opera DominiMagna opera Domini
  21. 🔍 34% Venite (S. Rita)Venite (S. Rita)
  22. 🔍 34% Malos male perdetMalos male perdet
  23. 🔍 34% Mecum enimMecum enim
  24. 🔍 34% Puer qui natus estPuer qui natus est
  25. 🔍 34% Dixit Dominus ad NoeDixit Dominus ad Noe
  26. 🔍 33% Rex pacificusRex pacificus
  27. 🔍 33% Triduanas a DominoTriduanas a Domino
  28. 🔍 33% In paradisumIn paradisum
  29. 🔍 33% Christus natus est nobisChristus natus est nobis
  30. 🔍 33% Oleum effusumOleum effusum
  31. 🔍 33% Usque modoUsque modo
  32. 🔍 33% Venite exultemus DominoVenite exultemus Domino
  33. 🔍 32% Dum fortisDum fortis
  34. 🔍 32% Dixit Jesus discipulisDixit Jesus discipulis
  35. 🔍 32% Quae est istaQuae est ista
  36. 🔍 32% Orante sancta LuciaOrante sancta Lucia
  37. 🔍 32% Cum audisset JobCum audisset Job
  38. 🔍 32% Scriptum est enim quiaScriptum est enim quia
  39. 🔍 32% Scriptum est enim quiaScriptum est enim quia
  40. 🔍 32% Zachaee festinansZachaee festinans
  41. 🔍 32% Respondens autem AngelusRespondens autem Angelus
  42. 🔍 32% Dixit paterfamiliasDixit paterfamilias
  43. 🔍 32% Virgo prudentissimaVirgo prudentissima
  44. 🔍 32% Hodie Christus natus estHodie Christus natus est
  45. 🔍 31% Beatus ille servusBeatus ille servus
  46. 🔍 31% Judaea et JerusalemJudaea et Jerusalem
  47. 🔍 31% Ego gloriamEgo gloriam
  48. 🔍 31% Voca operariosVoca operarios
  49. 🔍 31% Absterget DeusAbsterget Deus
  50. 🔍 31% Lapides torrentesLapides torrentes
  51. 🔍 31% Innuebant patriInnuebant patri
  52. 🔍 31% Parvulus filiusParvulus filius
  53. 🔍 31% Sacrificabo hostiamSacrificabo hostiam
  54. 🔍 31% Laus Deo PatriLaus Deo Patri
  55. 🔍 31% Ave Rex nosterAve Rex noster
  56. 🔍 31% Pater manifestaviPater manifestavi
  57. 🔍 30% Vobis datum estVobis datum est
  58. 🔍 30% Beatus AndreasBeatus Andreas
  59. 🔍 30% Haec est quae nescivitHaec est quae nescivit
  60. 🔍 30% Crastina dieCrastina die
  61. 🔍 30% Venite ad meVenite ad me
  62. 🔍 30% O Doctor optimeO Doctor optime
  63. 🔍 30% Ad te confugimusAd te confugimus
  64. 🔍 30% Exaltata est Virgo MariaExaltata est Virgo Maria
  65. 🔍 30% Ille homoIlle homo