13:00Radio 1 Breakfast with Greg JamesMonday: Chris Moyles sits in for GregBBC Radio 1 Duration: 3 hours Mon 19th Mar 2012, 13:00 on BBC Radio 1 N. IrelandChris Moyles sits in for Greg James with a Star Caller from Michael Buble!GenresMusicPop & ChartEntertainmentBrandRadio 1 Breakfast with Greg James Source: BBC Online