I've been an avid AJ supporter and customer for many years. I love my Ketron instruments and have continued to have each one of them upgraded to Ajamsonic specifications. AJ's Ajamsonic upgrades and sound set/styles really make the Ketron line of keyboards fabulous. My Ketron SD-9 is my main keyboard for all my gigs. I love playing it and my audience is thrilled with my sound. I'm not an exceptional keyboardist but Ajamsonic really makes me shine. "Shine On You Crazy Diamond" Thanks for all the things you do AJ. "Live long and prosper! "