Hard to find good samples on YouTube, but here are some of my personal favorites:
The Awakening
https://www.youtube.com/watch?v=mCLMkIhOW1s
September 15th (Live)
https://www.youtube.com/watch?v=CA3lSTDPPuE
Phase Dance (Live)
https://www.youtube.com/watch?v=4zF8EMETIFQ
Ozark (Live)
https://www.youtube.com/watch?v=eIzNXWy8o1o