Complex sentence: At 16 years old, Gray discovered a passion for music after being injured playing football for his high school team and began to use his talent as a street performer to earn money and help his single mother afford their living expenses.
Split into simpler sentences: At 16 years old, Gray discovered a passion for music after being injured playing football for his high school team. He began to use his talent as a street performer to earn money and help his single mother afford their living expenses.