Vocal and words by Arash Sobhani, of peerless Iranian rockers Kiosk, for the Iran show back in 2014 (S4 E6). If you know Kiosk you know everyone who doesn't is missing out. 

J-popstar Yuna Ito doing a K-pop turn for PUAB Korea (S5 E1). The title means "road" in Korean, as in a path rife with han.