Kahlo listening to some music from the 1920s. Given that he’s a time-traveling fluffy, I figured he’d enjoy some music from before his time, much like myself.
A personal favorite of mine, ‘Let’s Misbehave’ by Irving Aaronson, is playing on the radio, based on an actual 1920s radio I own and use a lot 
If you’d like to give it a listen, here’s the link: Irving Aaronson - Lets Misbehave - 1928 Cole Porter Collection Version - YouTube