Large, some 60-70 musicians planted themselves on Florida street, across from the San Martin plaza and played for the crowds.
This is where the boats launch for 1, 2, 3 hour trips on the Tigre delta. Both banks on the river have boat companies.
Souvenir - a floating wine stand (shown with scotch bottle).
Available in La Boca, there is a vendor in the small enclosed shopping area next to the Quinquela museum, or sometimes in the street across the museum. Cost is AR$15 to AR$25 for different models.
Galerías Pacífico food court, Parrilla - get grilled beef or achuras (blood sausage, kidneys, small intestines, etc - all grilled) if you so wish - stick to beef, it is very good! The achuras come in a portion for two, plate comes over a small stove continuing to grill at your table.