Possible Clues:

• Ozone layer's locale*
• Above all, street artist is going to ball
• Hears protest exploding? It’s all around us
• Above all, it's street for artist going to ball
• Region about ten to fifty km above the earth
• Layer above the earth where temperature generally increases with height
• Zone high above earth
• So '' ether's part'' could fancifully be this?
• Layer of high air around the earth
• Start to organise pastries about to surround higher layer