The Sonata

a piece for a small number of instruments or a single one.

• Opening Movement
  • tempo: fast/moderate
  • form: sonata form
• Slow Movement
  • tempo: slow/very slow
  • form: no standard form (sometimes sonata form, variation form, rondo)
• Closing Movement
  • tempo: fast/very fast
  • form: often rondo

The Classical Concerto

• Opening Movement
  • tempo: fast/moderate
  • form: double-exposition sonata form
  • cadenza: near the end
• Slow Movement
  • tempo: slow/very slow
  • form: no standard form (sometimes sonata form, variation form, rondo)
• Closing Movement
  • tempo: fast/very fast
  • form: often rondo (occasionally variation form)

Double exposition form

1. Orchestra Expositon: [tonic key] first theme and second group (orchestra)
2. Solo Exposition (solo and orchestra): first theme, [second key] bridge and second group (solo)
3. Development: various themes developed and retransition
4. Recapitulation: [tonic key] first theme, bridge and second theme (composite), solo cadenza

Classical Variation Form

In the Baroque era, the theme was usually a bass pattern. In Classical variation form, the them is a tune in the upper register.

Theme	Variation 1	Variation 2	…	Variation n	Coda
|:a:||:b:|	|:a1:||:b1:|	|:a2:||:b2:|		|:an:||:bn:|	(free)

The String Quartet

• Opening Movement
  • tempo: fast/moderate
  • form: sonata form
• Slow Movement
  • tempo: slow/very slow
  • form: no standard form (sometimes sonata form, variation form, rondo)
• Minuet (with Trio)
  • tempo: moderate
  • form: minuet form
• Closing Movement
  • tempo: fast/very fast
  • form: sonata form or rondo form

Opera Bufffa

More funny and more acting. Recitative, arias and ensemble (a number sung by two or more people)