As he prepares to take the reins of the Montreal Symphony in 2006, conductor Kent Nagano is giving indications of the direction he plans to take the orchestra, with the announcement of an annual composers’ competition which will distribute cash prizes to three winning works of new music. “The arrival of the mystery maestro, along with his pianist wife, Mari Kodama, who lives in Paris, is likely to have a tonic effect on the MSO, which has been mired this season in protracted contract negotiations.”