Here's a nice quiz question: what links Weigl's 5th symphony with Shchedrin's 2nd Symphony, besides both being a reaction to WW2? They share something very uncommon.
I'd have to refresh my memory of the Shchedrin, but I know the Weigl has an uncommon feature: the modernistic opening involves the orchestral tuning seguing directly into the actual work, a startling effect. (The remainder of the symphony is decidedly more conservative.) That seems like a device the often wacky Shchedrin would use in his music. If I'm incorrect, could you give us a hint please?