On 21 June, Paris becomes one sprawling concert. From symphonies echoing off centuries-old buildings to garage bands rocking out in alleyways, the entire city pulses with free performances until dawn. It's loud, chaotic, often beautiful, and absolutely open to everyone. Whether you're singing along badly or swaying to a cello in a church courtyard, you're part of something fleeting and collective. The music may fade, but the feeling sticks around.