The event runs 10 a.m. to 4 p.m. at 529 East Gutierrez St. Saturday.
Items donated by the company and employees include furniture, computers, sound equipment, holiday decorations, and some rare retro items.
The sale will also have live music and a food truck from Mony's tacos.
Jeff Theimer with Notes for Notes says 100% of the proceeds will go to the organization. Each year they provide top of the line musical education and recording studios to youth musicians, primarily through local Boys and Girls Clubs.
For more information about Notes for Notes go to: http://notesfornotes.org/