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The sonar-esque beat that introduces the new EP from Le1f is a subtle hint that soon this will be an artist on everyone's radar. Having already won over hearts and minds with a trio of excellent mixtapes, the self-styled "banjee commander" is taking the offensive to the next level with the EP Hey, his first release after signing to Terrible Records and a taste of what's in store when he releases his debut album later this year.

Whilst his mixtapes each had their own unique and distinct sounds, the songs on Hey bring all of these disparate styles together to create a record that almost acts as a condensed highlight reel of Le1f's releases to date. For example the opening track, 'Hey', with it's high-pitched pulses and brass synth stabs could easily sit on Dark York, whilst Le1f's seductive vocals are straight out of 'Plush' from Tree House.

As befits the opening track to his first label-based release, 'Hey's lyrics tend to focus on braggadocio and reinforcing Le1f's view that he is without peer - given his other releases it's hard to argue with him there. Whilst to the outsider, this might seem to be the usual rapper swagger, Le1f subverts this by re-inforcing his outsider status through numerous references to pokemon - "I'm a fire-type / flamethrower and it's over" - and his sexuality. Both are common features throughout the record and reflect the playful and frequently witty lyrics that Le1f raps, spits and purrs.

Nowhere is that seductive purr clearer than on second track 'Sup'. Le1f sings the chorus over one of the darkest trap beats this year, with the lyrics focusing on the sexual power Le1f wields over others. The first verse opens with the line "I was chilling in the cut / I winked him once / all to put / butterflies up in his gut." He later makes it clear that even guys who claim they're straight - as evidenced by the line "He say he want to flirt / he says that he's straight though" - find him irresistible. The resulting combination of sexually charged lyrics and menacing beats makes for one sexy as hell track, especially given Le1f's breathless auto-tuned chorus vocals sighing "what'sup" in your ear. Like his previous mixtape, Tree House, Le1f leaves you in need of a cold shower after just a few short tracks.

The EP's lead single, 'Boom' marks the halfway point and also a shift towards more directly provocative lyrics as Le1f addresses his individuality and the way people react to it. "Like boom / atomic bomb coming through / I'm the elephant in the room" is one of the key lines in the chorus, and along with other statements such as "I can't do this / I gotta do me" it's clear that Le1f is not only taking aim at anyone who dares criticise his artistic output and personality, but also acknowledges that his impact on music is going to make him difficult to ignore as he'll be louder than a bomb.

The echoing chimes that make up the lead are reminiscent of Hey's opening track, but have a more distinct dancefloor focus, by being far more exuberant. The track as a whole focuses its attentions on the club with a steady pounding bass drum, dub sirens and bubbling synths. The lyrics also tend to more empowering lines, not just with regards to individualism and impact, but also with regards to the acceptance of LGBTQ lifestyles. "Welcome to banjee burger," Le1f announces in the track's first verse, "can I take your order / new world order / LGBT-cuties all over the world / are diamonds and pearls" later stating that it's "batty man time / batty man century."

A re-recorded version of 'Wut' serves as the penultimate track. It's a clever choice as it's sure to be the one song that turned most people on to Le1f's skills as an artist and his whiplash inducing flow. That second verse really benefits from this new recording as the lyrics are far less muddy during Le1f's faster moments - on Dark York they were impressive, but largely incomprehensible. Everything else remains pretty much as it was, save for a bit more boost in the bass, which is fortunate as it was pretty much perfect to begin with. The horns are still stupidly funky, and the clearer lyrics just help to emphasise Le1f's excellent wordplay in lines like "I hate bottled water but whatever I'm pouring Evian" and "I'm an emperor, want to see me in my new clothes?"

The EP ends with 'Buzz', a track that takes the club aesthetic of 'Wut' and 'Boom' with the themes of the first two tracks. The song is built around booming electronic beats and a sharp synthesiser loop that bounces around the higher frequencies and will most likely still be buzzing round your ears for hours after. As an EP closer it works incredibly well. By tying the music and themes of the first four tracks together, whilst providing the albums most infectious beat it means you'll be hitting repeat not long after that last synthesiser note echoes out to silence.

As a taste of what's to come when Le1f releases his debut full length later this year, this EP makes for a tantalising listen as it's clear that there is much more that has been held back from us. With each release so far he's been able to surprise, seduce and tease just a little bit more. He might still see himself as the "elephant in the room" right now, but when Le1f finally makes his mark on mainstream music, you can be sure it'll be huge.