“The last thing we wanted to do was be just another podcast where two or three lads sit around chatting about nothing for an hour.” Mission accomplished then for Mick McCullagh and Nathan O’Regan, hosts of the Mad Notions podcast. Far from their fear of chatting about nothing, over the past six months the two musicians have, perhaps accidentally, created something which is having a positive impact on other musicians in Northern Ireland beyond the infectious howls of laughter the two share during episodes. Cooped up in Nathan’s home studio better known as the ‘Poditorium’ once a week, Mick and…