The Federation is an American hip hop group from Fairfield, California. The group was formed in 2002, composed of producer Ricardo "Rick Rock" Thomas and three rappers: Anthony "Goldie Gold" Caldwell, Marvin "Doonie Baby/Doon Koon" Selmon and Thomas "Stressmatic" Jackson. The gro
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Stressmatic on May 6, 2026: latest news & activity
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Q.What did Stressmatic do on May 6, 2026?
The Federation is an American hip hop group from Fairfield, California. The group was formed in 2002, composed of producer Ricardo "Rick Rock" Thomas and three rappers: Anthony "Goldie Gold" Caldwell, Marvin "Doonie Baby/Doon Koon" Selmon and Thomas "Stressmatic" Jackson. The gro
Q.What's new with Stressmatic?
The Federation is an American hip hop group from Fairfield, California. The group was formed in 2002, composed of producer Ricardo "Rick Rock" Thomas and three rappers: Anthony "Goldie Gold" Caldwell, Marvin "Doonie Baby/Doon Koon" Selmon and Thomas "Stressmatic" Jackson. The gro