Ashleigh Flynn and The Riveters, All-female rock, country, and folk band performs at Hoyt Arboretum Stevens Pavilion! Each summer, Summer Free For All Cultural Events (SFFA) partners with community groups, artists, nonprofits, culturally-specific groups, and more to produce free concerts, movies, and cultural events throughout Portland. If you are looking to bring an amazing event to your community, our team is ready to help!