Complex sentence: It was nominated in the'Best Female R&B Vocal Performance' category at the 50th Annual Grammy Awards, held February 2008, as well as the Grammy for Best Remixed Recording, Non-Classical at the 51st Grammy Awards in February 2009.
Split into simpler sentences: It was nominated in the'Best Female R&B Vocal Performance' category at the 50th Annual Grammy Awards, held February 2008. And is nominated for another Grammy for Best Remixed Recording, Non-Classical at the 51st Grammy Awards to be held in February 2009.