Thanks to a straightforward project, the Raspberry Pi can be used as the basis for a pocket-sized vintage radio. Featuring playlists for every decade from the 1920s to the present day, the so-called Radio Time Machine utilises a Raspberry Pi 4 Model B, an Arduino Nano, some RGB LEDs and the shell from a vintage Bluetooth radio.
https://www.notebookcheck.net/Raspberry-Pi-Transform-the-popular-single-board-computer-into-a-pocket-sized-vintage-radio.477250.0.html