THE HIGHEST ENERGY MUSIC FESTIVALS

1 a :  dynamic quality <narrative energy>

   b :  the capacity of acting or being active <intellectual energy>

   c :  a usually positive spiritual force <the energy flowing through all people>

2:  vigorous exertion of power : effort <investing time and energy>

3:  a fundamental entity of nature that is transferred between parts of a system in the production of physical change within the system and usually regarded as the capacity for doing work

4:  usable power (as heat or electricity); also :  the resources for producing such power


Above definitions from: http://www.merriam-webster.com/dictionary/energy

Energy is...