What makes Metal Machine Music by Lou Reed notable?

'Metal Machine Music' is significant for its radical approach to sound, often considered one of the first noise albums, influencing countless artists across various genres. The album sparked controversy upon release, leading to mixed reviews and even accusations of it being a prank, yet it has since been recognized for its pioneering role in the development of experimental music. Released in January 1975, 'Metal Machine Music' came at a time when Lou Reed was transitioning from his earlier glam rock era into more avant-garde territories. This album followed his successful solo debut, 'Lou Reed,' and marked a stark departure from conventional songwriting towards experimental soundscapes that would define much of his later work.