solfeggio healing hz

how can we apply solfeggio scale other than juz listening to them. 528hz is known to heal dna.
why is it that rifle did not include much information on the amazing healing feats of 528hz.
does healing dna mean healing every other illness?
they are many secrets revolving around the 9 solfeggio tones which i want to know about.

pardon mi for my limtied knowledge