Pronouncing Brunello as "broo-neh-lo" with a quick "L" sound is the most common giveaway of a non-native speaker. Linger on that "L."
If you'd like to dive deeper into the world of Italian linguistics or lifestyle, let me know if I should: how to pronounce rosso brunello
Provide the pronunciation for other famous Italian wines like or Barolo Pronouncing Brunello as "broo-neh-lo" with a quick "L"