The martial and glorious melody can be sung, by children as well as adults, if it is played in the key of B flat -- and it can be sung well. View Full Article in Timesmachine » Advertisement ...

Solomon called out on his blog for musicians to make videos, asking that they follow rules such as staying in the key of B flat and being under two minutes long. He calls the result "In B Flat." ...

All the submissions had to be in B-flat major, a key Solomon tells Wired.co.uk, "was just the first that came to mind. It's probably because I have a background in jazz and B flat is the jazz ...