This is about congress taking a good look at the US IP regime, and folks like the RIAA and Sounc Exchange not wanting that. This is whySound Exchange has compromised, and won’t collect the new rates for now.
Intellectual product (IP) is not property. It a temporary exclusive license for the public good.
There are more and more people, including the US Supreme Court, who are finding the US IP regime a hinderance, rather than a help to innovation and art in the US.