Tone Tubby, manufacturers of premium- quality hempcone speakers for electric guitar and bass amplification, has appointed Jonathan Byrnside as VP of Sales and Marketing. Byrnside will be responsible for managing Tone Tubby’s public persona through multiple channels of marketing including social media, direct retailer relations and in-the-field initiatives with customers. For over 15 years Byrnside has worked as a musician, photographer and promoter. He began his musical career working as a stagehand and front-of-house engineer and booked shows for high-profile venues including the Fox Theatre, Catacombs Bar, Tulagi and the Flatirons Theatre.