In the time since the release of Nightmare, Seward has begun singing more backup vocals on live shows (as well as screaming) on songs like Nightmare, Seize the Day, God Hates Us and Not Ready to Die.
Die Zeit | Die Welt | Die Fledermaus | Funny or Die | Die Hard | Die Walküre | Die Entführung aus dem Serail | Die Flippers | Die Meistersinger von Nürnberg | Ready Steady Cook | Die Toten Hosen | Die Krupps | Die Frau ohne Schatten | Get Rich or Die Tryin' | Die Hard 2 | Die Fantastischen Vier | Pop the Glock/Ready to Uff | Live Free or Die Hard | Get Rich or Die Tryin' (film) | One Love/People Get Ready | Die Haut | Die Ärzte | Speak English or Die | Saint-Dié-des-Vosges | Romeo Must Die | Ready Steady Go! | John Tucker Must Die | DJ Die | Die tote Stadt | Die schweigsame Frau |
He was featured on two singles subsequently released by the band: "Not Ready to Die," which was featured in the Call of Duty: Black Ops zombie map "Call of the Dead", and "Carry On," which was featured in the sequel Call of Duty: Black Ops II.