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% Extollens vocemExtollens vocem
  2. 🔍 94% ExtollensExtollens
  3. 🔍 71% Extollens quaedam mulierExtollens quaedam mulier
  4. 🔍 67% Extollens quaedamExtollens quaedam
  5. 🔍 64% Extollens quaedamExtollens quaedam
  6. 🔍 55% Extollens quaedamExtollens quaedam
  7. 🔍 54% Extollens vocemExtollens vocem
  8. 🔍 41% Dixit autem dominusDixit autem dominus
  9. 🔍 40% Serve boneServe bone
  10. 🔍 37% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  11. 🔍 37% Beata es Maria (Visitation)Beata es Maria (Visitation)
  12. 🔍 37% Beata Agnes in medioBeata Agnes in medio
  13. 🔍 36% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  14. 🔍 33% Christus natus est nobisChristus natus est nobis
  15. 🔍 33% Quid faciamQuid faciam
  16. 🔍 33% Venite exultemus DominoVenite exultemus Domino
  17. 🔍 32% Venite (S. Rita)Venite (S. Rita)
  18. 🔍 32% Ne timeasNe timeas
  19. 🔍 32% Est secretumEst secretum
  20. 🔍 32% In paradisumIn paradisum
  21. 🔍 32% Ne timeas... alleluiaNe timeas... alleluia
  22. 🔍 31% Malos male perdetMalos male perdet
  23. 🔍 31% Et ipse JesusEt ipse Jesus
  24. 🔍 31% Puer qui natus estPuer qui natus est
  25. 🔍 31% Ave Rex nosterAve Rex noster
  26. 🔍 30% Dixit JesusDixit Jesus
  27. 🔍 30% Sancte Paule ApostoleSancte Paule Apostole
  28. 🔍 30% Dixit Dominus ad NoeDixit Dominus ad Noe
  29. 🔍 30% Cum audisset JobCum audisset Job
  30. 🔍 30% Triduanas a DominoTriduanas a Domino
  31. 🔍 30% Cum fortis armatusCum fortis armatus
  32. 🔍 29% Dixit Jesus discipulisDixit Jesus discipulis
  33. 🔍 29% Zachaee festinansZachaee festinans
  34. 🔍 29% Scriptum est enim quiaScriptum est enim quia
  35. 🔍 29% Scriptum est enim quiaScriptum est enim quia
  36. 🔍 29% Rex pacificusRex pacificus
  37. 🔍 29% Mecum enimMecum enim
  38. 🔍 29% Ad te confugimusAd te confugimus
  39. 🔍 29% Absterget DeusAbsterget Deus
  40. 🔍 29% Virgo prudentissimaVirgo prudentissima
  41. 🔍 28% Dixit paterfamiliasDixit paterfamilias
  42. 🔍 28% Hodie Christus natus estHodie Christus natus est
  43. 🔍 28% Quae est istaQuae est ista
  44. 🔍 28% Oleum effusumOleum effusum
  45. 🔍 28% Animam meamAnimam meam
  46. 🔍 28% Orante sancta LuciaOrante sancta Lucia
  47. 🔍 28% Judaea et JerusalemJudaea et Jerusalem
  48. 🔍 28% Usque modoUsque modo
  49. 🔍 28% Beatus ille servusBeatus ille servus
  50. 🔍 27% Pater manifestaviPater manifestavi
  51. 🔍 27% Pater manifestaviPater manifestavi
  52. 🔍 27% Dum fortisDum fortis
  53. 🔍 27% Magna opera DominiMagna opera Domini
  54. 🔍 27% Laus Deo PatriLaus Deo Patri
  55. 🔍 27% Respondens autem AngelusRespondens autem Angelus
  56. 🔍 27% Innuebant patriInnuebant patri
  57. 🔍 27% Haec est quae nescivitHaec est quae nescivit
  58. 🔍 27% Haec est JoannaHaec est Joanna
  59. 🔍 27% IntroiboIntroibo
  60. 🔍 27% Parvulus filiusParvulus filius
  61. 🔍 26% Surrexit Dominus et apparuit (Com.)Surrexit Dominus et apparuit (Com.)
  62. 🔍 26% Maternitas tuaMaternitas tua
  63. 🔍 26% O radix JesseO radix Jesse
  64. 🔍 26% Factus estFactus est
  65. 🔍 26% Angelus ad pastoresAngelus ad pastores