I once said "Hey Lou!" and waved to Lou Barlow outside of the venue where Sebadoh was playing as he was walking by, and he greeted back with a "Hey!", a wave and a smile.
I also had a poem of mine printed in an anthology otherwise filled with poems from famous Danish poets.
And I featured on a cover of a Mount Eerie (Phil Elverum) song on a record that also featured a Mount Eerie cover of a song I helped compose.
I also once had dinner with the sadly deceased famous Norwegian singer-songwriter St. Thomas (Thomas Hansen) and his band.
Edit!!!: Oh, and I completely forgot, I once had a song I co-wrote, sang backing vocals, and played lead guitar and bass on, added to the Danish national radio (DR) P3 channel's playlist (and obvious played ever so often for a while).