Each year, since 2010, the 4Knots Festival has brought awesome live music to New York’s South Street Seaport for the low, low price of zero dollars. This year, though, might be their best yet, as alt-rock legends Dinosaur Jr. and rising indie rock star Mac DeMarco are set to headline the festival.

4Knots will also feature a bevy of young, talented performers, including Speedy Ortiz, Nude Beach, Juan Waters, Those Darlins, Viet Cong, and Dead Stars, among others. Dinosaur Jr., whose last album I Bet On Sky came out in 2012, were added to the bill after previous headliners The Julie Ruin had to drop out because of illness.

The 4Knots Festival takes place on the South Street Seaport on July 12th. Once again, admission is completely and totally free. For more information about the fest, visit the 4Knots website.