You didn't put any answers, but I do know it is polite to greet the persons as they come on stage, and clap or cheer when they finish a song. It is also a good idea to put any electronic devices in sleep mode or simply turn them off.
Answer:
our minds goes towards many thoughts then by listening music it's concentrated at one significant place.. so there how it affects.
They would first schetch it out the just . paint until they think it looks good. sometimes they will add a touch of google in there though , if its abstract they would just let their mind go free and express the way they feel.
