The drummer donned a golden Corinthian helmet for the performance
"Lindsey may go down in history as one of 'greats' in guitar playing," she told her family in the letter. "It really is quite amazing"
The legendary band have not played together since 2019
She has dedicated the track to her dad, Billy Ray Cyrus, and said it was "written as a peace offering"
Mick Fleetwood also joined in on the fun, leading fans to believe a reunion is imminent
The guitarist was fired from Fleetwood Mac in 2018
The last contact between Nicks and Buckingham occured in 2023 during the late Christine McVie's funeral
The band were named the MusiCares Persons Of The Year at the annual ceremony in Los Angeles
Also performing are Noah Kahan, Maren Morris, Norah Jones, Sammy Hagar and others
It will include new interviews, never-before-seen footage and archival interviews with the late Christine McVie
MF