This is just a guideline and there are literally thousands of options out there for each piece of equipment. Do your due diligence and research each piece before you purchase. As with most things, you get what you pay for so if you have the budget, I would splash out on better equipment where possible.
She toured the world giving educational workshops and lectures. Her world tour featured visual art, experimental dance and performance art. And she even relaunched her website in May 2011 using an HTML5 “constellation” that shifted in the viewer’s perspective as they moved the cursor. One could hardly call this a marketing stunt. Björk was completely reinventing the way music is made, talked about, and experienced, all with the mission of building awareness and consciousness about Earth science and the changing environment.