Complex sentence: This normally occurs near the end of the first movement, though it can be at any point in a concerto; an example is Tchaikovsky's First Piano Concerto, where in the first five minutes a cadenza is used.
Split into simpler sentences: This normally occurs near the end of the first movement, though it can be at any point in a concerto. An example is Tchaikovsky's First Piano Concerto, where in the first five minutes a cadenza is used.