There have been a number of us wondering what the looped song on 93.9 was and it's finally been located!

https://www.reddit.com/r/Denver/comments/1olyj5l/939_fm_seemingly_abandoned_stuck_looping_two_songs/

https://www.reddit.com/r/Denver/comments/1pzkkgh/there_is_a_mystery_that_is_begging_to_be_solved/

I spent the last week or so digging and reaching out to the listed email for the radio, the Colorado Ethiopian Community, and several sub reddits, and finally had success this morning.

It's Bitsat Seyoum - Abeje Abeje
https://www.youtube.com/watch?v=x8vw2g-V_OE

I can't really take credit. u/abelknows is the one who solved it. https://www.reddit.com/r/Ethiopia/comments/1q6rbi2/help_tracking_down_a_song/

I just wanted to share with you all in case this was also driving you crazy.