Original: Hanneman has contributed both lyrical and musical material to every Slayer album and wrote the songs "Raining Blood", "War Ensemble" "South of Heaven" "Seasons in the Abyss" and "Angel of Death", which are played at almost every live Slayer show.
Simplified: Hanneman writes both words and music for Slayer. Some of his songs include: "Raining Blood", "War Ensemble", "Seasons in the Abyss" and "Angel of Death."