Julia Keefe (Nez Perce), an internationally acclaimed Native American jazz vocalist, bandleader, actor and educator, brings her quartet to the Camden Opera House, 29 Elm St.!Jazz in June’s Friday Featured Concert is opened by the Greg Abate Trio, led by the hard-driving bebop jazz saxophonist, flutist and composer who plays festivals and clubs throughout the United States, Canada, and abroad. Concert followsa daytime free outdoor concert and dusk restaurant reception downtown. Choose-your-own reserved seat tickets are $35 in advance, $40 day-of-show, via camdenoperahouse.com.The three-day Jazz in June festival is sponsored by Camden Maine Stay Inn, Barnswallow Books, First National Bank and First National Wealth Management, and 40 Paper. Media Sponsor: Maine Public. For festival details, visit jazzinjunecamdenme.com.