04:00Radio 1's Essential MixMark Ronson & Zane Lowe in IbizaBBC Radio 1 Duration: 2 hours Tue 28th Dec 2010, 04:00 on BBC Radio 1 N. IrelandZane Lowe and Mark Ronson go back to back in a special edition of the Essential Mix recorded at Space Ibiza, plus Grandmaster Flash is on the decks.GenresMusicDance & ElectronicaBrandRadio 1's Essential Mix Source: BBC Online