Mary and Mike are out and about, using their five senses to explore a city park. Mary collects leaves and watches the squirrels busily gathering acorns, while Mike eats snacks from his bag.

Can you taste color or hear pictures? You might have synesthesia. This week on 8 Tracks: A few songs that pirouette and paint, plus new music by Charli XCX, Mdou Moctar and TikTok shoegazer Wisp.

Post-hardcore stalwarts Senses Fail have just released "Lush Rimbaugh," their first new song since 2018's If There Is Light, It Will Find You album. The track spends its three-and-a-half minutes ...