The Rock For Ronnie Concert in the Park will take place on Sunday afternoon, May 7, 2023 at Los Encinos Historic Park in Encino, benefiting the. Ronnie James Dio Stand Up and Shout Cancer Fund (https://www.diocancerfund.org). The Rock For Ronnie event, slated to be an afternoon of live rock music, silent and live auctions, food trucks and fun geared to the entire family, is the cancer charity’s first post-Covid event back in the park. The event just named a who’s who of Rock and Heavy Metal luminaries for the finale/all-star jam.