Semtex is back in the building with all the biggest hip hop joints tearing up the clubs right now. Tonight Semtex is in conversation with two of the biggest producers from the US; Just Blaze & Alchemist who were in London as part of their ‘Soundclash Tour’ earlier this week. Plus there’s the BBC Radio 1Xtra hip hop chart and a whole bunch of bangers in and out of the mix.