Scotland head coach Scott Johnson and players Duncan Weird and Ryan Wilson, from Glasgow Warriors, were joined by rock music legend Frankie Miller at the unveiling at The Garage in Glasgow.
The squad's new recording, Bottle of Whisky, was originally written and performed by Frankie.
He joined the players, along with Spike, frontman for The Quireboys, to record the single to raise money for Scottish Rugby's injured players' charity, The Murrayfield Centenary Fund, and learning disability charities ENABLE and Equalsay.
Scott Johnson said he first came across Frankie's songs on a film soundtrack. He said: "As a rugby coach you're always thinking of ideas on how to do things outside the box.
"I started to listen to other songs by Frankie and then came across Bottle of Whisky.
"It struck me that that would be a great song for the international squad to have a bit fun with during their down time."