The Mayor of Solihull, Councillor Sardul Singh Marwa, and the Mayoress, officially open the BHBN roadshow in Mell Square. The Mayor of Solihull, Councillor Sardul Singh Marwa, and the Mayoress, officially open the BHBN roadshow in Mell Square. Hospital broadcasting charity BHBN Radio hosted a pop-up roadshow event in Solihull. “Mell Square provided the perfect platform to share our passion for radio and hospital broadcasting. BHBN Radio is on the look out for volunteers to cover roles including presenters, ward visitors, technical assistants, and fundraisers.