Louis Armstrong Remembered By Gregory Porter

Radio 2, 9pm

To mark the 50th anniversary of Armstrong’s death, Gregory Porter (right) expresses his own gratitude for Satchmo’s legacy. The singer hand-picks the tracks that mean the most to him and explains how they have inspired his own sound.

In stand-up special Tessa Coates: Resting Witch Face (Radio 4, 7.15pm) the comedian combines storytelling with intense academic research to explore how we got here and where we’re supposed to go next.

Shane Zaza stars in Drama: The King Must Die (Radio 4, 3pm), Robin Brooks’s dramatisation of Mary Renault’s novel.