A concert hall is a cultural building with a stage that serves as a performance venue and an auditorium filled with seats.
A concert hall is a room designed for the enhancement of solo and orchestral music. Well designed concert halls provide moderate amounts of reverberation at all frequencies to provide sustain and fullness to music. In most concert halls, the walls, floors and ceilings have little absorption.
you would first find out what notes you want. then you would find out if you want it to be a major or a minor scale, then figure out what style of scale you want it to be. Then boom you have a scale