Spotify, Google, Amazon and Pandora have launched an appeal to overturn increase in songwriter royalties.
The four industry leaders in music streaming have filed a 92-page appeal with the District of Colombia's Court of Appeals, which outlines their aim to limit artist earnings from streaming.
The move comes after the Copyright Royalty Board proposed an increase in royalties from 10.5% to 15.1% in the United States over a period of five years. The 92-page appeal can be read in full here.
It was recently discovered that a quarter of CDs sold through Amazon's 'Fulfilled' program are counterfeit.
In June, Spotify reportedly collected refunds after overpayments were made to songwriters and publishers from the streaming service last year.
Apple is in talks to open Siri access to Spotify.