How about trying a music tram instead of your usual sightseeing bus? Bratislava city provides historical trams, where you can enjoy different kinds of music while discovering the beauty of Bratislava Old Town.
The music tram is available just during the summer months of July and August. The trip starts at the Jesenského stop at 5:00 pm, 6:00 pm, 7:00 pm and 8:00 pm every Saturday, the tour will last for 40-45 minutes. More than that, on the first and last Saturdays of July and August, you'll be able to enjoy live music: swing, folk, and jazz and different famous bands.