Sergei Nakariakov will be playing Hummel’s trumpet concerto in E flat major in Hanoi at the new Ho Guom Opera with Sun Symphony Orchestra conducted by Olivier Ochanine. Program: - J. N. Hummel, Trumpet concerto in E flat major @import url(https://www.onlystage.co.uk/wp-content/plugins/siteorigin-panels/css/front-flex.min.css); #pgc-16080-0-0 {