Alongside the note, McEntire left Ballerini a "fancy" good luck charm.
"It feels like yesterday we said goodbye and yet it somehow has also been the longest year without him," Krystal Keith said in a social media post.
Tennessee native Parton revealed the upcoming summer dates for the musical during a press conference held at Belmont's Fisher Center For the Performing Arts.
Jackson banked his ninth of 26 Hot Country Songs chart-toppers with his wry take on Nashville newcomers.
We'll be updating our list as musicians announce their new music, so keep checking back for the latest!
Male solo artists dominate, though three female solo artists and two groups have also achieved the feat.
