James Monroe Iglehart and a stellar ensemble are absolutely mesmerizing in a timely biographical musical about the life and music of Louis Armstrong.

Louis Daniel Armstrong, variously nicknamed “Satchmo” and “Pops,” is the subject of “A Wonderful World,” a musically rich if wordy and information-heavy Broadway show that serves as a reminder of just how challenging the jukebox biographical genre can be,

What’s onstage at Studio 54 is largely a deflating and cobbled-together wife story that fails to capture Armstrong the artist.