“"Arjuna" is sequenced at the middle of Half Blood, Horseback's proper followup to 2009's The Invisible Mountain, a seven-song collection out May 8 on Relapse. The track finds mastermind Jenks Miller recasting his blackened Americana as moody, sturdy post-rock complete with clean/grim vocal harmonizing. It appears after a fuzzy seven-minute drift and before a series of drone pieces with "Hallucigen”