The COVID-19 pandemic notwithstanding, the past 12 months have been huge for 21-year-old Scarborough native Robert Conquer. In December, he won the $10,000 first prize at the OSM Competition, playing Henri Tomasi’s Trombone Concerto in the final round. “Between the immense stress of getting recordings made and organizing the competition around my school workload, along with the excitement and relief of advancing into the next rounds and winning in the end, during a pandemic no less, I had a great time experiencing the whole range of emotions,” he says. In May, Conquer completed his third year at the Curtis Institute…