BS”D
By all means Ani Maamin (the version from the churban).
Very distant second place would be a special version of “Yiddele” recorded by Lipa for Zichron Shloime Refuah Fund. If someone has a copy or can tell me where to download it I’d very much appreciate it. The song is free of charge to download and I lost my copy.
Also “Moishele” by Isaac Honig which was circulated at the time of Mumbai would share that distant second place.