Musidora Barkwith was a famous composer whose Wizarding Suite featured an exploding tuba. This unfinished work is now banned, ever since a performance in 1902blew the roof off of the Town Hall of Ackerly.
She lived between 1520-1666.
Musidora = from "music"
"Bark" = might be connected to the idea that dogs bark when they hear music being played or sung extremely poorly.