There are at least four artists named Caroline:
1) A singer-songwriter from Okinawa, Japan.
2) A Finnish rock band.
3) A young Danish pop singer.
4) A French jazz band. 1)
Caroline (Caroline Lufkin) is a singer-songwriter from Okinawa, and the younger sister of Japan-based artist Olivia. She debuted in 2005 under indie label Temporary Residence Ltd. with the single "Where's My Love". Her first album, "Murmurs", was released in March 2006. Caroline's songs combine electronica, pop, and ambient music. Official site: http://www.carolinelufkin.com/

Read more about Caroline on Last.fm.