Concerts on Avenida dos Aliados return from September 4 to 6

The concerts on Avenida dos Aliados will return between September 4 and 6. This is the main event described in the article, which indicates the dates of the event but does not provide additional details about the program or the artists involved. Avenida dos Aliados is one of the main avenues in Porto, frequently used for cultural events and outdoor concerts. The article does not specify who the organizers of the event are, nor any other additional context about the holding of these concerts. This is a brief news piece that serves mainly as an announcement of the dates of a future event in the city of Porto.