"Tandem is a quiet little joint that doesn’t see a lot of action—just small groups and couples minding their own business. Open now for some 30 years, this place could be considered a Barcelona classic; it attracts an older clientele that appreciates the finer things and wants to avoid too-trendy spots. The menu reads a bit cryptically, but don't let that deter you from ordering a classic cocktail." - Isabelle Kliger, Naren Young