Search: arta pop
Why: Erin started a sentence, "When I was dating this Iranian pop star Arta..."
Answer: Arta Jamasb was born in Tehran and has lived in Australia and Japan. He plays the sintoor/santoor/santur, the violin, and the Flamenco guitar. He is interested in "Art, poetry, history, and stock." He looks like this:

Source: Artapop.com
The More You Know: In Persian, arta means "pure."