* This is a misnomer or a typo: Double-check the name and any other details you might have.
* This is a less-known musician: There might be a tuba player with this name who wasn't widely known or documented.
* The information is not easily accessible: It's possible that information about this musician's death is not publicly available online.
To help you find more information, please provide:
* Any additional details about William Bell: For example, any specific orchestras or bands he played with, his approximate age, or any other identifying information.
* The context of your question: Are you looking for information for a research project, a biography, or something else?
With more information, I might be able to help you find the answer.