French HornMusic Reviews Literature Review: Duet Kopprasch by Jeffrey Agrell March 5, 2019 Jeremy Smith 1870 Views Book Review, brass, Duet Kopprasch, french horn, Jeffrey Agrell, Kopprasch, Literature Review, Music Review Share this:Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)Click to share on Threads (Opens in new window)