The concert series — two free to the public, two with admission — follows a just-released commemorative CD, "Mele O Hawaii," which assembles 15 Island tunes performed by local acts, ranging from Kealii Reichel to Jake Shimabukuro, from Hapa to Israel Kamakawiwoole, from Willie K to Gabby Pahinui. Some artists on the disc (available only at Starbucks stores) will participate in the summer musical blowout.

The Seattle-based coffee is putting its brand name on the summer series. The schedule:

i Kauai — June 30, noon to 4:30 p.m. The event is the Starbucks Fifth Annual Kauai Ukulele Festival, at Kukui Grove Shopping Center in Lihue. Performers include Jake Shimabukuro, Herb "Ohta-san" Ohta with Nando Suan, Manoa DNA and Holunape. Free; ukulele (Kamaka, KoAloha, Gstring, Pono, Kala, KoAlana) worth $4,000 will be given away; Sakuma also presents an hourlong ukulele workshop at 10 a.m.

i Maui — Aug. 4, noon to 1:30 p.m. The event is Starbucks 10th Anniversary Concert Series, at the Queen Kaahumanu Center in Kahului. Dennis and David Kamakahi headline; Derick Sebastian also performs. Free. Sakuma is emcee; a $600 KoAloha uke will be given away.

i Big Island — Aug. 11, at 7:30 p.m. The event is the Starbucks 10th Anniversary Concert Series, at the Palace Theatre in Hilo. Brother Noland headlines. Admission: $10, benefitting the theater's restoration efforts.