Single notes, scales, and harmonized parts tend to work better on a classical guitar. Also, complex and subtle rhythms, such as those found in flamenco, bossa nova, and samba, can be developed more fully on classical/nylon string guitar because there are a lot of different ways to strike the strings.

When you move over from a steel string guitar, though, it takes a while to learn how to strike the strings, and the wider, shorter, neck takes some getting used to--