Little Big Town joined the legendary Ronnie Milsap on his classic hit, “Lost in the Fifties,” on The Tonight Show Starring Jimmy Fallon on Wednesday (February 6th).

Little Big Town is nominated for a GRAMMY for Best Country Duo/Group Performance for their song “When Someone Stops Loving You” – the song is also nominated for Best Country Song (award goes to the songwriters). They’re set to perform in tribute to Dolly Parton, the MusiCares Person of the Year on Sunday night’s GRAMMY Awards, which will be broadcast live from the Staples Center in Los Angeles at 8pm ET on CBS.