How old was scrim and ruby when they first started their career to the underground kings?

Scrim was 25, Ruby was 26, once they started they slowly developed new ways of making music and have turned into what they are today.

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.

The answer is true just took the test k12