Watch and Listen
Here is a video that the Mad Hatter Chorus created in June of 2021, amidst the outbreak of the Corona Virus:
Here is a video of a quartet from the Mad Hatter Chorus (Blue Moon) singing a Singing Valentine in February of 2020:
Here is a video of the chorus performing at the NED contest in October of 2019:
If you want to see more, here is a YouTube Playlist filled with past videos of the Mad Hatter Chorus: