Muni Long.

Muni Long, an R&B singer-songwriter, gained recognition and won a Grammy Award for Best R&B Performance for her hit song "Hrs & Hrs." Despite her overnight success, Long had been working in the music industry for years as a songwriter for artists like Rihanna and Mariah Carey. She faced challenges and racial disparities in the industry but eventually found success by releasing her own music online and through her own record label. Long's journey to fame and her determination to overcome obstacles have made her a role model for women of color in the music industry. [Extracted from the article]