Madi Diaz has hit out at Delta Airlines after “devastating” damage to her guitar of 20 years, asking: “How could this happen?”The musician – who previously opened for Harry Styles and joined his backing band during his Love On Tour run in 2023 – took to her official X/Twitter account to share video clips of her destroyed 20-year-old Martin D-28 guitar.Diaz – who will be serving as opening support for Kacey Musgraves on her ‘Deeper Well’ tour – wrote: “Starting tour w @KaceyMusgraves tmmrw and opened my guitar case to practice and found this. The damage is beyond. How could this happen.