Open Jam Session - Kosum Sound Sessions

🎸 Kosum Boy Open Jam Session
📅 Wednesday 11th June
🕣 8:30pm – Midnight
📍 Speakerbox, Thonglor, Bangkok
Join us for a midweek night of spontaneous grooves, creative expression, and musical connection at the Kosum Boy Open Jam Session — hosted at Speakerbox, Bangkok’s new home for live music and underground culture.
Whether you're a musician, vocalist, producer, or just a fan of raw live energy, this is your night to plug in, vibe out, and meet the community. Bring your instrument or just bring your ears — the stage is open to all genres and skill levels. The Kosum Boy crew will be kicking things off and guiding the night.
🎤 House backline provided
🍸 Cocktails, craft beers & more at the bar
☕ Coffee available earlier in the day
🍔 Kitchen coming soon!

Free entry | Music starts at 8:30pm
Come early to sign up, stay late to jam or enjoy the ride.