Radio call-in shows reach three million young listeners a week.
He went on to perform at the Cotton Club in Harlem and in several stage shows, reaching his peak in 1939.
Earlier, Chambers said it was "almost impossible" for Five to have homegrown shows reaching more than 2.5m or 3m viewers.
And for fans it has become one more entertainment option, as prices for arena shows reach Broadway levels.
The danger is that the big five will threaten independence yet will always, as Offa shows, reach an accommodation with the government.
Audiences older than 50 are not as attractive to advertisers as younger ones, so networks often sell fewer commercials for lower rates on shows reaching older viewers.
Apple's iTunes store already turned over the music business and changes how movies and television shows reach the public.
Our Shows continue to attract more and more viewers, with over 18 Shows reaching monthly audiences of over 10M unique viewers.
Snap CEO Evan Spiegel telegraphed today's announcement in a leaked memo, noting that the app sees "over 18 Shows reaching monthly audiences of over 10M unique viewers.
