Complex sentence: After writing and recording their own verses for the song, Eminem and Royce da 5'9 met Mars in Los Angeles, and the singer's vocals were added after minor adjustments were done by him and Eminem to the original cut.
Split into simpler sentences: After writing and recording their own verses for the song, Eminem and Royce da 5'9 met Mars in Los Angeles. The singer's vocals were added after minor adjustments by him and Eminem to the original cut.