Stern Grove, the free outdoor concert series, returns to San Francisco with a diverse lineup of international and inter-generational artists, kicking off on June 17 with two classic R&B vocalists: Peabo Bryson and Jeffrey Osborne.

The shows continue every Sunday at 2pm through Aug. 19 at 19th Avenue and Sloat Boulevard in San Francisco. Other acts to look forward to include Ziggy Marley, Afrobeat scion Femi Kuti, indie rockers Thao and the Get Down Stay Down and Rock & Roll Hall of Famers Ronnie Spector and the Ronettes.

Check out the full lineup below.

June 17 – Peabo Bryson and Jeffrey Osborne

June 24 – Ziggy Marley and Flavia Coelho