The evolutions of the genre 's production and instrumentation have spurred the successes of performers such as Beyonc� , Usher , John Legend , Frank Ocean , Pharrell Williams , Miguel , Janelle Mon�e , Chris Brown , Tamar Braxton , The Weeknd , Ariana Grande , Tinashe , Ne-Yo , Rihanna , Brandy and K. Michelle , who have embraced new electronic influences and kept R & B 's original feel .
ZAYN musical career improved due to the evolution of genre 's production and instrumentation .