AC/DC's "Powerage" (1978) is the band's fifth studio album, known for its raw, hard rock sound and tighter, more polished production compared to previous releases. Featuring iconic tracks like "Riff Raff" and "Down Payment Blues," the album solidified AC/DC’s signature style, blending gritty riffs with energetic performances. Although not a commercial breakthrough initially, Powerage is now considered one of their best and most influential albums.