One of the best ways to promote your party night is using flyers. You got an indie night, so you need a flyer for that specific event, and surprisingly we got a whole category for that which you go through it and find so many different products. But for now, you can try this one right here.
This is a professional indie rock flyer that you can use multiple times and it is free of charge. You can change everything that you want and modify it to serve your needs, and you can do it all by yourself. There are a lot more where this comes from. Check out our website.