1. Elton John: A legendary British singer, songwriter, composer, and pianist known for his iconic hits such as "Rocket Man," "Candle in the Wind," and "Tiny Dancer."
2. Billy Joel: A renowned American singer-songwriter and pianist recognized for popular songs like "Piano Man," "Uptown Girl," and "We Didn't Start the Fire."
3. Joan Jett & the Blackhearts: Joan Jett, an American singer, songwriter, guitarist, and actress, formed the successful rock band The Blackhearts. They are known for hits like "I Love Rock n' Roll" and "Bad Reputation."
4. Elton John: A prolific musician known for collaborating with artists across various genres.