Anfitrião: Martín Otero Ferreira
Every Friday night at 21:30, Porta-Jazz keeps the jazz tradition alive with a jam session. All musicians are welcome to join, and the public can enjoy a spontaneous, relaxed atmosphere after a concert led by the host.

Image: from the event entry at Agenda Porto.
Source: Agenda Porto (Câmara Municipal do Porto). Details can change; the original entry is the reference.