Grandma's was founded in 1982, and has been in business since.Over the years Grandma's has had many workshops and clinics. Some of the past artists include: Terry Bozzio, Dennis Chambers, Alan Pasqua, Mike Keneally, Blues Saraceno, David Garibaldi, Beppe Gambetta, Chris Proctor, Sara K., Michael Chapdelaine, Kerry King, Dennis Chambers, Marvin "Smitty" Smith, Doyle Dykes, Steve Morse, Michael Wilton, Andy Timmons, Pat Kirtley, Sonny Emory, Jordan Rudess, Laurence Juber and many others. They also prpvide a large selection of drums and percussion.