周杰伦济南演唱会未唱先热，周边酒店预订量上涨，部分一房难求

Group 1 - The announcement of Jay Chou's "Carnival" world tour concert in Jinan has led to a rapid sell-out of tickets, indicating high demand among fans [1] - Hotel bookings around the Jinan Olympic Sports Center have surged, with many hotels reporting full occupancy during the concert dates of September 19-21 [1][3] - Some hotels have noted that fans began booking rooms a month in advance of the concert announcement, highlighting the proactive nature of the fanbase [1] Group 2 - Following the ticket sales on June 22, there has been an increase in room cancellations from fans who were unable to secure tickets, leading to a rise in available rooms on booking platforms [3] - The secondary market for hotel room transfers has emerged, with many listings on social media and second-hand platforms indicating a high level of interest in nearby accommodations [3] - Hotels are preparing to enhance guest experiences by offering themed services and gifts related to Jay Chou, such as customized souvenirs and promotional items [5]