A group of lawyers and music producers are working toward reforming the payment system. Modern albums come out fast. This catches producers by surprise. Once the music is released, it's difficult to get paid.
Great things get lost in the sauce. Royalties make up a lot of the money. Producers won't get paid royalties until the artists make back the costs and advances are paid back or met.
Major labels use third-party accounting systems. That doesn't help much for the producer. The only option is to follow up.
A solution is out of reach for young producers. The music industry's building blocks are being neglected.
To learn more, read the post from Rolling Stone:
You Produced a Hit! Now Good Luck Being Paid