18:00Radio 1 Breakfast with Greg JamesGrimmy sits in for GregBBC Radio 1 Duration: 1 hour Wed 18th Jul 2012, 18:00 on BBC Radio 1 EnglandNick Grimshaw sits in for Greg James with another 10 Minute Take Over.GenresMusicPop & ChartExperimental & NewEntertainmentBrandRadio 1 Breakfast with Greg James Source: BBC Online