Sound Healing - Solfeggio Frequencies

If I spent my days in 3/4D freq (stressfulpeople/politics/news/disclosures/medicine) I'd hav Solfeggio Frequencies playing in backgrnd 2 keep my vibe up. Listening 2 this in background 2day. Why r Solfeggio Frequencies important? http://meditativemind.org/benefits-of-music-based-on-7-solfeggio-frequencies/