Joan Gand followed her drummer brother to a gig while still in high school. There, he introduced her to a guitarist from another school who eventually became her future husband, Gary Gand. Together they formed a very successful music store in Highland Park, Illinois, that focused on the innovative electric instruments introduced during the time, including Moog and ARP products. Being a fan of the Hammond B-3, Joan fell in love with the Ventilator, a rotary cabinet simulator pedal, which gives her electric keyboards that special Leslie Speaker sound. She liked the product so much