The Sledgehammer Files: The Best of Soilwork 1998–2008 is a greatest hits compilation by the Swedish melodic death metal band Soilwork, released in 2010 on Avalon Marquee Records. Includes a bonus DVD consisting of music videos. Released only in Japan. Recording information: Tracks 1-5 are remastered versions. Björn "Speed" Strid - vocals Ola Flink - bass Peter Wichers - guitars (tracks 1-17) Daniel Antonsson - guitars (tracks 18-19) Ludvig Svartz - guitars (tracks 1-2) Ola Frenning - guitars (tracks 3-19) Carlos Del Olmo Holmberg - keyboards (tracks 1-8) Sven Karlsson - keyboards (tracks 9-19) Jimmy Persson - drums (tracks 1-2) Henry Ranta - drums (tracks 3-14) Dirk Verbeuren - drums (tracks 15-19)