New court documents filed in Lil Wayne’s lawsuit against Cash Money CEO Bryan “Birdman” Williams say that Young Money artists Drake, Nicki Minaj and Tyga were not paid as promised, TMZ reports.

The documents say that Lil Wayne has obtained letters from Drake and Tyga‘s respective teams making the claims the artists were not compensated properly. Minaj‘s representatives say that her producers were not sufficiently paid and that the responsibility falls to Cash Money, the parent company of Lil Wayne’s Young Money label.

The documents continue by saying that Young Money was supposed to receive a $100 million advance from Universal Music Group, which Cash Money signed a publishing and distribution deal with in 1998. The advance went directly to Cash Money and Young Money claims it did not receive the check.

Cash Money counters by saying that they gave Lil Wayne a $20 million advance in 2012 plus an additional $12 million for his solo album. They say they also gave him $70 million for the Young Money roster’s advances, royalties, marketing and recording costs.

In June, Lil Wayne threatened that Drake and Nicki Minaj would leave Cash Money Records because they were not being treated fairly.

Lil Wayne first filed the lawsuit against Cash Money in January and is asking for $51 million. The New Orleans rapper first expressed dissatisfaction with the label in December when he posted on Twitter that he wanted “off this label and nothing to do with these people.”

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