Take a very unique river tour complete with live Mariachi music and beverages with Go Rio Cruises.  Available on select Friday and Saturday nights in April and May you will enjoy amazing music and the beautiful twilight views of the Riverwalk.  Reservations are required.  Tours depart at 7:00pm.  The dates available are:

4,5, 4/6, 4/12, 4/13, 4/19, 4/20, 4/26, 4/27, 5/3, 5/4, 5/17, 5/18, 5/25, 5/26.

See more and make you reservations at the link below.