Play it a second time and have a go at singing along. Have a go at creating your own tongue twister. They don't have to be very long, but should have a pattern of sounds that are tricky to say as ...

Tongue twisters and viral hits - not really a match. But then "Barbaras Rhabarberbar" came along. What did it take? The singer-songwriter Bodo Wartke, a few lucky coincidences and, of course, the ...