Music gapless looping doesn't work

I have tried .ogg and .wav files but they still have a gap and are not seamless loop.

I tried multiple audio files that are seamless.

This is the file I am trying to loop if anyone could test it on theirs. Menu theme

Here are my import settings:

I had this problem once all I did was edit the clip in audacity or you can use any audio editing program. I just trimmed a tiny bit off the end of clip and that worked.