Complex sentence: Sasha has remained one of the most prominent female artists in Nigeria since 2001, especially with the success of her debut album "First Lady" and support from her record label STORM, has been nominated for various awards in Nigeria and abroad.
Split into simpler sentences: Sasha has remained one of the most prominent female artists in Nigeria since 2001, especially after the successful release of her debut album "First Lady" under her record label STORM. She has been nominated for various awards in Nigeria and abroad.