Hitmakers TM88 and Southside are having a great 2018 so far. The 808 Mafia production duo have produced some of your favorite tracks this year including Lil Uzi Vert’s song “Mood" and more.

Now they are back with another track called “Hmmm.” The song features rap cameos from Lil Yachty and Valee. Over a hard-hitting beat, tinkering snares and flute-sounding synths, Boat and Valee deliver casual rhymes about their riches and sexual escapades, among other things.

On one line, Valee raps, "I'm thinkin' about icin' my neck up/I fuck her while she got her leg up/I fuck her like I'm on Viagra/My Vlone shirt same color ketchup."

Meanwhile, on the second verse, Yachty spits, "I donate big racks where I grew up/They know ain't no secret, I blew up (Cool)/My bitch pussy smell like a tulip/My oldest car still ain't hit fifth grade/ It's still kinda new, change the paint shade."

TM88 debuted "Hmmm" on Monday (Dec. 10) via Zane Lowe's World Record on Beats 1. The Atlanta producer told Lowe that the Yachty and Valee collaboration was created organically in the studio.

"Me and Southside was in L.A. working on my project, and Valee came through and he did a few songs or whatever. This was one of the songs," he said (via Billboard). "We were like, 'Dang, I think I hear Yachty on this.' So we sent it to Yachty, and Yachty killed it."

In addition, TM88 also has a joint project with PARTYNEXTDOOR but for some unknown reason, it might not get released. "I don't think it's ever going to see the light of day," he revealed to Lowe. "It would have been for everything because it was very melodic and trap at the same time. It was called Party at Eight."

Earlier this year, TM88 announced that he had signed with Capitol Records so expect more new music from the hitmaker in 2019.

In the meantime, listen to TM88 and Southside's new track "Hmmm" featuring Lil Yachty and Valee below.

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