sentences:  She studied for 6 years in conservatories in Norway, Denmark and Germany.She then moved to New York City to study with Oren Brown, a vocal coach renowned to help a singer 'discover their natural voice'.In April 2002, upon Luciano Pavarotti's suggestion and referral, she began to study with Dr. William Riley, coach of Celine Dion, and worked with Pavarotti and Andrea Bocelli, and even Bill Clinton.