Symphony
an elaborate musical composition for full orchestra, typically in four movements, at least one of which is traditionally in sonata form.
String Quartet
a chamber music ensemble consisting of first and second violins, viola, and cello.
Solo Concerto
A solo concerto is a concerto in which a single soloist is accompanied by an orchestra
Solo Concerto: Double Exposition
First exposition: All Orchestra
Second exposition: Dominated by soloist
Solo Concerto: Cadenza
After the recapitulation just before the coda, the cadenza is a solo piece often improvised.