specifically a Raspberry Pi Zero for its small footprint.
Added to this will be a pimoroni audio hat with display.
From the pimoroni website
'Pirate Audio is a range of all-in-one audio boards for Raspberry Pi,
with high-quality digital audio, beautifully-crisp IPS displays for album art,
tactile buttons for playback control, and our custom Pirate Audio software
and installer to make setting it all up a breeze.'