Featured in the photo is my son, Dan. Like every person--uniquely themselves--there is truly nobody like him, and I am so blessed to be his mother--horror movie fandom and all. No, I don't understand all the Welsh lyrics of the song, but the sentiment is clear. Someday in the future, maybe my Welsh will be good enough that I won't need the Welsh-English dictionary and translation apps etc.
The version that brings me to tears every time I watch is this (see link below) It's done by young people from Welsh-medium schools in Cardiff, led by two members of the singing group, Welsh of the West End, in May 2021 working around COVID restrictions, for Tafwyl -- an annual Welsh Language Festival. You really must watch, if you have the time.