White Light/White Heat  by Velvet Underground

The second album of Velvet Underground was released in early 1968. It is the last album featuring John Cale. White Light/White Heat takes experimentation in rock to another level as it combines what would later become known as noise rock with proto-punk, as well as art rock.

In reality, the Velvet Underground recorded an album that is a landmark for experimental rock between September 4th and 16th, an album that would influence other artists in the near future. Not only did the album not receive positive reviews at the time of its release, but critics also "buried" it. Its only eponymous single was not promoted at all. However, the song that stood out in underground circles and is considered one of the proto-punk songs that helped punk develop in the following years in the USA and the United Kingdom was the 17-minute (!) Sister Ray, thanks to its guitar distortion.

The album sold fewer copies than the first album and managed to enter the Billboard charts, reaching No. 199 (!). It is estimated that today in the United Kingdom, it has sold as an album 60,000 copies.