“Fire up the time machine, set the controls for New Orleans in 1907 and make your way to a rickety night spot on Perdido Street that is known to the locals as Funky Butt Hall. Look closely and you might see a child in short pants peering through a crack in the wall and listening to the band inside. The child is Louis Armstrong, and the band, a combo led by a cornet player named Buddy Bolden, is playing a brand-new style of music that sounds like a cross between ragtime and the blues. Don’t call it ‘jazz,’ though, because nobody in Funky Butt Hall will know what you’re talking about…”