The answer to the crossword is ELTON, which is the stage name of the English singer-songwriter and composer, Sir Elton John. He is one of the most successful and influential musicians of all time, having sold over 300 million records worldwide. He has been a major figure in popular music for over five decades, making an impact with his flamboyant stage costumes and signature glasses. He is known for his hits such as 'Your Song', 'Rocket Man', 'Crocodile Rock' and 'Candle in the Wind'.