Question: Slave Ambient is the second studio album by American indie rock band The War on Drugs, released on August 16, 2011, on Secretly Canadian, recorded over three years, "Slave Ambient" is the final release to feature contributions from which founding guitarist, that's an American singer, songwriter, multi-instrumentalist and record producer?
Sentence (from "Kurt Vile"): He is best known both for his solo work and as the former lead guitarist of rock band The War on Drugs.
Relevant evidence: No