Dipset affiliate J.R. Writer has pursued legal action against Universal Music Group for master and publishing royalties on 2000s songs by Cam’ron and Juelz Santana . The freestyle battler and songwriter, born Juan Rusty Brito, filed suit in Manhattan federal court on Friday (June 5), demanding what he says is his share of the master and publishing royalties of Cam’ron song “Shake” and Santana song “Squalie.” “Shake” was featured on Killa Cam’s classic fourth album, Purple Haze , while “Squalie” was on Santana’s debut album, From Me to U , which released in 2003, the year before Purple Haze . Writer is claiming that despite being both a featured artist and a co-writer on both tracks, UMG is not paying him, saying that they need approval from the song’s primary artist or their label. Writer says that’s unnecessary since he’s credited as a writer both on the songs’ copyrights and on streaming platforms’ metadata.…