4th Edition of Indoor Summer in Hamburg. In 2023 we return with the Indoor Summer Festival showcasing the best in Melodyrock, Glam, Sleaze, AOR und Classic Rock. From 1.9.2023 to the 3.9.2023 over 20 bands from these genres will be playing. Three Day Tickets 1.9. - 3.9.2023: €169 Day Ticket Friday 1.9.2023: €40 Day Ticket […]