Soul and bluegrass? Elle Varner has an un­or­tho­dox sound. (John W. Ferguson/Getty Images)

Pretty Lights: “We Must Go On”

Soul and trip-hop converge on this rubber-legged new track from Colorado beatmaker Derek Vincent Smith.

Elle Varner: “Refill”

In an even weirder experiment in genre-bending, up-and-comer Varner mixes soul and bluegrass on this flawed, fascinating track from her just-out mixtape, “Conversational Lush.”

Canaan Smith: “We Got Us”

The newly minted country singer (and former “Amazing Race” contestant) releases his first single and launches a thousand wedding reception slow dances in the process.

Young Moe featuring Fat Trel: “Tired of Being Broke”

The DMV stars and frequent collaborators reunite for this recession rap near-classic from Moe’s new “Humble Hustle.”

Pelican: “Lathe Biosas”

The Chicago instrumentalists answer the question: What happens when you throw post-metal and post-rock into a blender?