Derk Richardson hosts singer-songwriter Pollyanna Bush in the KPFA performance studio, with Tony Ferro engineering. Pollyanna will offer a preview of her Friday, March 18, concert at The Marin School Performing Arts Center in San Rafael. She’s calling her concert “Full Circle: Musings on Carole King, Laura Nyro, and Joni Mitchell,” which will feature a full instrumental ensemble, plus singers Zoe Ellis and Omega Rae Brooks, and special guests including vocalist Raz Kennedy. Ticket information here.