The music at mass is to be sacred music, not profane music. For music to be sacred it is not only the words, but the instruments and their manner of being played that must be different from the worldly manner of playing.
The music’s purpose is to lift up the mind to God, not bring it down below, while exciting the passions.
I do not have the regulations on hand on what music may or may not be allowed into the mass, and what instruments, etc. but the pastoral guidance will be along these lines. Perhaps someone else does, there’ve been some updates relatively recently.
The model for sacred music is the Gregorian Chant, this has been reiterated and not changed.
The founder of Life Teen is rather notorious, and Life Teen is notorious for its liturgical abuses in general. I generally wouldn’t recommend masses celebrated by Life Teen when there was an alternative mass available.
If a specific behavior isn’t found in the GIRM, it isn’t allowed.

You abide by the rules you don’t fill in the blanks because they aren’t blanks for filling in.