Final answer:
The Velvet Underground did have a significant influence on punk, post-punk, and avant-pop genres, but they did not influence every band in these genres over the last 20 years.
Step-by-step explanation:
The statement is false. While The Velvet Underground had a significant influence on the punk, post-punk, and avant-pop genres, it is not accurate to say that they influenced every band in these genres over the last 20 years.
In the late 1960s, The Velvet Underground, led by Lou Reed, emerged as a pioneering band known for their experimental sound, dark lyrics, and unconventional song structures. Their influence can be seen in bands like Joy Division, The Smiths, and Sonic Youth, who were influenced by their raw and introspective style.
However, there have been many bands in the punk, post-punk, and avant-pop genres that developed their own unique sound and were not directly influenced by The Velvet Underground. It is important to recognize that musical influences can vary widely and are shaped by a range of factors including personal taste, cultural context, and individual experiences.