Haha, perfection.
That was (unintentionally) it, exactly.
If you watch the clip I posted (The Spirit Of Christmas) a few posts up, he introduces it at 1:45, complete with his big booming voice.
I saw it on Broadway (twice, actually) and yes, it’s great fun.
There’s a series on one of the streaming channels, The Show That Goes Wrong or something like that.
The Goes Wrong Show.
They’re on the LionsgateTV youtube channel.