They call them “THE HOLY FREQUENCIES” - SECRET KNOWLEDGE Of Ancient Solfeggio Scale

The Magical Power of Solfeggio Frequencies.

What are the original notes of solfeggio?
Solfège - Wikipedia
Origin. In eleventh-century Italy, the music theorist Guido of Arezzo invented a notational system that named the six notes of the hexachord after the first syllable of each line of the Latin hymn "Ut queant laxis", the "Hymn to St. John the Baptist", yielding ut, re, mi, fa, sol, la.