Overview U:O Interactive at Belfast Arts Weekender Selfies, Millies, Fadgies, Urban Murals and Orchestral Manoeuvres – all part of Belfast Arts Weekender! Spring 2018 was a whole lot more interesting with the arrival of the Belfast Arts Weekender over two packed weekends, 2-4 and 10-11 March 2018. The a range of cultural events that were all free of charge. The Ulster Orchestra presents U:O Interactive at the Indian Community Centre. On the day, families experienced the Orchestra as a living exhibition, playing orchestral instruments under the expert guidance of professional musicians and even make music with their bodies.