India, Jan. 15 -- M usician John Mayer's much-anticipated India debut has hit a snag, as his Mumbai concert has been postponed. The 48-year-old's show, originally scheduled for January 22 at Mahalaxmi Race Course in Mumbai, will now take place on February 11. The ticketing platform for the concert cited "unforeseen circumstances" for the change in a statement, adding that all existing tickets purchased will remain valid for the rescheduled date. Fans expressed frustration on social media, flooding the announcement's comments section. One user asked, "What about the non-refundable accommodation and flight tickets? The show was literally a week away," while another added, "This needs to have a refund option since people booked based on availability." Meanwhile, some speculated that the postponement could be linked to the passing of his friend and bandmate Bob Weir on January 10, with one user writing, "He is a human first; he needs time to mourn." HTC...