I can’t tell if 645AR is doing a bit or not. The 22-year-old South Bronx rapper writes songs about serious street shit delivered in a high-pitched squeal of a voice, flipping our expectations for how ...

The Bronx-born, Southern-raised rapper 645AR's natural voice is a baritone, but he performs in a cartoonish high-pitched tone he refers to as "the squeak." It is one of the most polarizing sounds I've ...