Crossword puzzle clue "irish singer who's usually known by her first name"

Irish singer who's usually known by her first name

Folk singer and civil rights activist usually referred toby her first name

"War of the Worlds" star who goes by her middle name, not her first name, Hannah: 2 wds.

"Mississippi Girl" singer who goes by her middle name, not first name (Audrey): 2 wds.

"Something's Gotta Give" singer who goes by her middle name, not first name (Margaret): 2 wds.

"Glee" actress who goes by her first and middle names, not her last name (Sarfati): 2 wds.

Her production company is her first name spelled backwards

Irish musician known for her New Age songs