The difference isn’t as big as you might expect. Here’s a breakdown of what every major label, the RIAA, and Google spent on lobbying this year, based on federally-mandated disclosures.
Companies are required to disclose this information by law. All data pulled from the US House of Representatives lobbying disclosure page, here. Q4 funds are estimated.
And, our complete breakdown of various labels and Google disclosures, here (it dates back to 2006).