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Now broadcasting as part of Radio 1's 12 hours of black music every Saturday night/Sunday morning from 3-5am.

Check it out on 97-99 FM, Digital TV, DAB Digital Radio,Online and of course at any point on the iPlayer

On this week's first show we've got a special guest mix from the hottest names in UK Funky House - Crazy Cousinz plus big tunes from the likes of Kanye West, Chase & Status, Wiley and Bashy. Plus I've got the first of the weekly Mission Mixpossible challenges - it's basically your chance to put me and my DJ skills to the test by challenging me to mix any 3 records. As it was the first week, Fabio, Trevor Nelson and Annie Mac set me the challenge - take a listen and rate the mix - let me know if I succeeded! Also click here if you want to set me a challenge for next week.

ALSO every month on the show I'll play out mixes that are created and produced by you...the listener! The mixes can include as many of the urban music genres as you like: RnB, garage, hip hop, dancehall, bassline or D&B. It's up to you. The more original and experimental the better so don't be afraid to try something different.

Email your mix with a link to the audio and tracklistings here or send it via post:

MistaJam's 1Xtra Mixtape, ´óÏó´«Ã½ Radio 1, PO Box 111, London, W1A 7WW

Mixes should be no longer than 20mins.

Get 'em in and check out the show!