The Grotto hosts an outdoor concert in the plaza at 6 p.m., July 15. The Portland Pacific Crest Wind Symphony performs amid the tall firs and cliffs. Food and drink will be available. Tickets — $15 or $10 for seniors and youths, with children under 6 free — are available online at www.thegrotto.org or at the door. The Grotto is at Notheast 85th and Sandy Boulevard.