Chapelard, James (28 February 2008). "GMG jazzes up digital radio". Crain's Manchester Business. Archived from the original on 10 May 2013. Retrieved 28 February 2008.
Chapelard, James (28 February 2008). "GMG jazzes up digital radio". Crain's Manchester Business. Archived from the original on 10 May 2013. Retrieved 28 February 2008.