Already 20 years of Rock en Seine! The famous Parisian festival returns to the Domaine national de Saint-Cloud from August 23 to 27, 2023 to celebrate its 20th birthday with a bevy of concerts to discover over 4 days. So, what are the must-see artists on stage this Sunday? Here are 5 bands you won't want to miss this Sunday, August 27, 2023, in western Paris for the 20th edition of Rock en Seine.