sentences:  The orchestra is rendered fully capable of sustaining a dramatic confrontation with the virtuosity and individuality of the soloist.Mozart's approach in these concertos is often clearly symphonic, both in the application of formal symphonic principles, and in a Haydnesque interest in thematic unity in the later concertos.The range of styles and expression is greater than that of most other concertos of the period, from the comic-opera elements of K.467 to the Italianate lyricism of K.488, the tragic character of K.466 and 491 to the Beethovenian heroism of K.503.