Complex sentence: After releasing a string of EPs, in 2001 he released the LP "Amethyst Rock Star" with producer Rick Rubin and in September 2004 his self-titled album to much acclaim.
Split into simpler sentences: After releasing a string of EPs, he released the LP "Amethyst Rock Star" with producer Rick Rubin in 2001. In September 2004, he released his self-titled album to much acclaim.