Source of prana and location of tan tien.
Is the base support for most of upper body and is the fulcrum point between upper and lower.
This must be in correct position and move correctly. Otherwise, there will always be lots of tight tissues.
Also, this is the foundation for freely moving spine, which should be freely moving with the music and rhythm.
This part is also needed to coordinate between legs and upper body.
Singing and posture--see Categories, About, Launch 4-2014 