Fine performance of the war-horse potboiler. Oftentimes one forgets how familiar classics _became_ classics. In this case, perfect motivic construction of well-hewn melodies in sonata-allegro form, with linking sections of concise modulations, such as 3:30, Am to Emaj, which bursts forth like a ray of sunshine. The economy is genius.
Well, there are two main themes which are developed a lot… A case could be made. But then of course there are the other themes which don’t fit in sonata-allegro form