The Sheldon Brown / Darren Johnston Quartet performs live on The Hear and Now, 10 p.m., Thursday, June 6

This special live-music edition of The Hear and Now opens with a preview of a concert presented by Jim Bennett’s In the Moment series at Oaktown Jazz: The Sheldon Brown / Darren Johnston Quintet’s Tribute to Eric Dolphy, during which they’ll play music from Eric Dolphy and Booker Little’s legendary At the Five Spot recordings. For this live studio concert broadcast and stream, the quartet will be: Sheldon Brown, alto sax and bass clarinet; Darren Johnston, trumpet; Dan Zemelman, piano; Dan Seamans, bass. Tony Ferro engineers the live sound.