I’d advise you to add a link to your home, so that interested people can contact you directly.
As for Madrid, it has an excellent and very affordable network of metro and commuter trains (at the moment, a monthly pass for the entire commuter train network costs just €20), so you could expand your search to towns in the surrounding area or to more peripheral neighbourhoods of the city.
I’m not sure how many nights you’re looking for, but if it’s only for a couple of nights to attend the concert, sometimes it’s worth offering a few more nights than you actually intend to stay, as this can make it easier to get accepted, especially when you’re new or haven’t done any home exchanges yet.
Hi Telma! I’m Giulia from Italy…I’m vegetarian and my boyfriend Giacomo is vegan. Giacomo years ago had worked as raw chef in many restaurants We’d be delighted to welcome you to our home if you ever decide to visit Italy!