Bleach is Nirvana's debut album, released in 1989 on the Sub Pop label. The album showcases the band's raw grunge sound, characterized by heavy guitar riffs, gritty vocals, and a blend of punk and metal influences. Tracks like "About a Girl" hint at the melodic sensibilities that would later define their breakthrough. Bleach provides a glimpse into the early development of Nirvana's music, offering fans an unfiltered look at their origins before they reshaped the music landscape with Nevermind.