Los Angeles [US], February 10 (ANI): Luke Combs paid tribute to Tracy Chapman as they shared the stage at the 66th Grammy Awards. On Friday, the country artist reflected on Sunday’s hectic awards event and his poignant duet of ‘Fast Car’ with the singer-songwriter via Instagram. He wrote, “What an unreal Grammy week to say the least. There were so many laughs, tears, hugs, and cheers that it almost doesn’t seem real. From the hotel hangs and rehearsals, to the dinners and post show pizza, the vibes were HIGH.” https://www.instagram.com/p/C3JZjqePGAL/?img_index=1 “I want to thank my whole team …