The purpose of creating a Brown and Light Grey Music Festival Flyer is to promote a music festival event using a stylish and visually appealing design. The flyer aims to attract music enthusiasts and potential attendees by presenting basic information about the event, such as date, venue, and lineup, in an eye-catching and easy-to-read format. Overall, the Brown and Light Grey Music Festival Flyer is a marketing tool that aims to generate interest and increase attendance for the music festival event.