Main theme similar to one in PC21 

This has been removed from the article pending a reference.  The similarity is fairly well known, its a theme from the concerto not long after the piano enters.  Right after G major is first reached, there's this brief G minor interlude that sounds just like this symphony and then when G major returns the second theme (5-3-2-15-3-2-16-4-3-2-2) takes over.  I'll find a reference.