You can see demos of any of these new and enhanceed Notation Composer 2.0 features by selecting them from this menu:
What's New in Notation Composer 2.0?
Brand new look and feel that is even easier and more delightful to use.
Playlist (jukebox) feature for playing and organizing lists of songs.
Even better integration of tools for editing both the notation and performance (MIDI) data.
Transfer music scores to other notation programs.