Sounds can be high pitched, like the squeak of a mouse. Or low pitched, like the roar of a lion. But what is it that makes these vibrations different? This explorer is wearing special goggles.

Icelandic musician Ryan Karazija founded Low Roar as a solo project in 2011 after the indie rock band he fronted, Audrye Sessions, disbanded. As Low Roar, Karazija embarked on a sharp musical pivot, ...