16:00Radio 1 Breakfast with Greg JamesJay Sean in the studioBBC Radio 1 Duration: 1 hour, 45 minutes Tue 19th Oct 2010, 16:00 on BBC Radio 1 WalesGreg James sits in for Scott Mills, getting up to his usual mischief - only later in the day! Jay Sean joins him in the studio.GenresMusicPop & ChartEntertainmentBrandRadio 1 Breakfast with Greg James Source: BBC Online