16:30Radio 1 Breakfast with Greg JamesGrimmy sits in for GregBBC Radio 1 Duration: 1 hour, 15 minutes Wed 11th Jul 2012, 16:30 on BBC Radio 1 EnglandNick Grimshaw sits in for Greg James.GenresMusicPop & ChartExperimental & NewEntertainmentBrandRadio 1 Breakfast with Greg James Source: BBC Online