Error! You must have javascript enabled to use this form. Please enable Javascript in your browser. Hard Rock Calling Tickets - London - 25 June Hard Rock Calling Tickets for upcoming concerts at Hyde Park are on sale at Sold Out Ticket Market.Ticket Market is ideal source for Hard Rock Calling Tickets. View full press release Your Name: Your Email: To Email: To BCC: Subject: Comments: We respects your privacy, the information you entered above will not be used to send unsolicited email, and will not be rented or sold to a 3rd party. Your contact information will be shared with the recipient of this message - Privacy Policy Send