Hello,
I have a great example for an interval song. You can view it as both ascending and descending since it's played multiple times in a row.
It is Mipha's theme from the videogame The Legend of Zelda: Breath of the wild.
It starts playing the interval at around 11 seconds into the video
https://youtu.be/W65cdepG8Q0?si=MjOKRS7mFkerOG08
Regards.
