Reel Big Fish in concert: Radio Free Hawaii Birthday Weekend Party, 7 p.m. Friday and Saturday, Fast Zone, Fort Street Mall. With Grapefruit, Broken Man and BYK on Friday and Dread Ashanti and Ira Hayes on Saturday. Doors open 6 p.m. Tickets $10. Call 296-1027.
Concert for Peace: Rainbow Peace Fund presents violinist Darel Stark, 7 p.m. Saturday, UH-Manoa's Orvis Auditorium. With Stacie Hatfield, Maile Reeves, Steve Flatner and Greg Dubay, and host Ah Quon McElrath. Music by Ernest Bloch, Elliot Carter, Bach, Beethoven and Rossini. Tickets $12 general, $6 students and seniors. Call 924-2192.
Pacific Basin Music Festival: Student music festival concludes with a free performance by the Odd R. Antonsen Symphonic Band from Oslo, Norway, 7:30 p.m. Saturday, Waikiki Shell. Call 800-922-3976.
Music of the Balkans and Near East: 7:30 p.m. Saturday, Academy Theater. Musicians Souren Baronian, Haig Manoukian, Polly Tapia Ferber, George Chittenden and Lise Liepman offer a new program each night. Tickets $12
general, $10 students and seniors. Call 532-8700. Presented by the International Folk Dancers of Hawaii and the Honolulu Academy of Arts.
Na Leo Pilimehana in concert: 8 p.m. Saturday, King Kamehameha Kona Beach Hotel, Big Island. Tickets $12 in advance, $15 at the door. Call 800-244-6188. Part of the proceeds go to the restoration of Ahuena Heiau.
"Sunday Afternoon in the Park": Music by the Allegro Concert Orchestra, watercolor art by Frances Altwies and desserts by Alfonso's Bakery & Pastry chef Andre Fusero, 1:30 to 3 p.m. Sunday, Paki Hale, by Kapiolani Park. Admission $15, $20 and $25. Reserve at 955-3439.
Honolulu Community Concert Band: 2 p.m. Sunday, Ala Moana Centerstage. Music by Tchaikovsky, John Philip Sousa and John Williams.