Irish eyes are always smiling on the Musical Bus, the ideal vehicle for touring the pubs of Dublin. A live band performs onboard as the bus makes stops at four of the city’s most vibrant music bars. Listen to your favorite Irish folk songs (and a few ­­­Top 40 hits), then move on down the road without missing a beat. It’s safe and fun, with plenty of bitters, but never a sour note. About $28,