Join David Ellefson and Joshua Toomey on this episode of The David Ellefson Show as they welcome legendary bassists Steve Di Giorgio (TESTAMENT, DEATH) and Jeroen Paul Thesseling (OBSCURA, PESTILENCE) to discuss their new project, Quadvium. The guys dive into the origins of the band, reflect on past two-bass projects that inspired them, and explain how Quadvium focuses on crafting songs rather than just technical showmanship. Steve and Jeroen also talk about their deep history with fretless basses and how it shaped their musical journeys. Plus, Steve shares the untold story of being brought in to re-record bass parts on Megadeth's "The Sick, The Dying… And The Dead!".

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