This document provides brief biographies of three famous singers: Lady Gaga, Stevie Wonder, and Freddie Mercury. It mentions Lady Gaga's real name and some of her hit songs like "Poker Face" and "Paparazzi." For Stevie Wonder, it notes that he has been blind since childhood but is a legendary musician who has won 24 Grammys. The biography on Freddie Mercury states that he was the lead singer of Queen and wrote many of their hit songs, and that he was openly gay.