Ado's speech at the special concert Shinzou when she sings Sakura Biyori And Time Machine With Hatsune Miku! Get ready to cry because it's emotional
Ado singing the song live:
https://youtu.be/Vrr2gFTYMGQ?si=g0g9XhKz8iGqalMR
Another video talking about how important and emotional this song is for Ado:
https://youtu.be/pwBp8joxvhI?si=aVMdeREQVB0Tz5Sc
I originally found this clip of Ado in the Ado Hangout fan discord server (so, if you are worried, I did NOT film Ado-san without her permission)