Complex sentence: Riley agreed and the group became Blackstreet Feat. Teddy Riley, with an original lineup of Teddy Riley, Chauncey Black, Levi Little, and Joseph Stonestreet.
Split into simpler sentences: Riley agreed and the group became Blackstreet Feat. Teddy Riley. The original members of Blackstreet were Teddy Riley, Chauncey Black, Levi Little, and Joseph Stonestreet.