skygiants

He did have songs, most of the stuff in his office is the same, The Neva Flows as like a big solo thing with reprises for him, Still (ballad before Journey to the Past), the weird little reprise he gets at the Neva Club and some dialogue were new, and I think his part in the finale was slightly different but don't quote me on that

OH GLEB

also I want to mention that I'm still amazed they repurposed zombie Rasputin's In The Dark of the Night into a lovely and sad song about exile, that was a truly incredible makeover