The Bar/Lounge at Hotel du Parc Hanoi
The bar/lounge at Hotel Nikko Hanoi is referenced by professional reviewers writing for major publications. Out of 6 publications that we monitored, 2 acknowledged the bar/lounge, like Concierge and Frommer's.
Hotel du Parc Hanoi 
Concierge
Frommer's
Concierge "The on-site restaurants include Tao-Li, a contemporary Cantonese restaurant, and Benkay, an excellent, if pricey sushi bar"
Frommer's "They have good live jazz performances regularly in their lobby lounge"
