Dion's music has been influenced by genres ranging from rock and R&B to gospel and classical. Her recordings are mainly in French and English, although she also sings in Spanish, Italian, German, Latin, Japanese, and Mandarin Chinese. While her releases have often received mixed critical reception, she is regarded as one of pop music's most influential vocalists. She has won five Grammy Awards, including Album of the Year and Record of the Year. "Billboard" named her the "Queen of Adult Contemporary" for having the most number-one songs on the radio format for a female artist. She is the second best-selling female artist in the US during the Nielsen SoundScan era. In 2003, she was honoured by the International Federation of the Phonographic Industry (IFPI) for selling over 50 million albums in Europe.