Levi Kujala and Tony Polecastro had a very successful YouTube channel for acoustic guitar enthusiasts. Their acoustic guitar review show had a dedicated audience and it wasn’t long before they started asking: How do you play that? 🤔 By listening to their audience, the writing was on the wall. 🎧 So they launched a monthly membership called Tony’s Acoustic Challenge where their members received one new song lesson per month. And it worked!