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 "Radiosurgery (album)"): It was first released on September 30, 2011 in Australia, before its wider release on October 4 through independent label Epitaph Records.
Relevant evidence: No