"Every cultured music student knows..."

...you must learn your scales and your arpeggios!" 

Why? Because passages like this are EVERYWHERE in piano literature. An excerpt from Saint-Saens's Second Piano Concerto, which I'll play with the Alliance Symphony on Oct. 22, in Brush Hall at Mount Union: (sneak peak at first movement in Faculty Recital on Sept. 10 at Mount Union, 7:30 pm)

Or this...

Or this...