If Kanye West’s new album is too self-centered and misogynistic for you, you can get fun melodies, great rhymes, and great samples from another Chicago-born artist, Nikki Lynette. She raps, she writes, she produces, and isn’t afraid to throw genre to the wind. Putting tight beats and R&B melodies over electric guitar riffs, a mixtape called Roses ‘N Guns, and a rousing...