There are nine solfeggio frequencies: 174 Hz, 285 Hz, 396 Hz, 417 Hz, 528 Hz, 639 Hz, 741 Hz, 852 Hz and 963 Hz. Each is linked to a particular intention, from letting go of fear to transformation, and they're widely used in meditation, yoga and sound healing. This guide lists all nine with what each is traditionally said to do, explains where the frequencies come from, and looks honestly at what the research does and doesn't show. What are the 9 solfeggio frequencies? The ni

If you play commercially released music in a UK yoga class, yes: you'll normally need TheMusicLicence from PPL PRS, which is an annual fee that renews every year. But there's a simpler route. If you use music that isn't registered with PPL or PRS, such as Mishi's, the licence you buy with the track is all you need. You buy it once and it's yours permanently, with no annual fee, no forms and no working out which classes count. This guide explains both options and how much you

Search for calming audio and you'll quickly run into two terms that sound almost the same: bilateral music and binaural beats. Both involve your left and right ears, both are sold as ways to relax or focus, and plenty of tracks use the labels interchangeably. They are not the same thing. Bilateral music moves a sound from one ear to the other. Binaural beats play a slightly different tone in each ear and let your brain create a third "beat" between them. One is about movement