Mandi Bierly
April 04, 2013 AT 03:25 PM EDT

Last night wasn’t the first time the Stella Sisters, 13-year-old Lennon and 9-year-old Maisy, who play Rayna’s daughters on ABC’s Nashville, sang on the show. But their cover of the Lumineers’ “Ho Hey” made us sit up and take note. Watch it below.

In case you didn’t know the girls were a YouTube sensation even before they were cast on the show, we’ve embedded some of their greatest hits below.

The Lumineers’ “Ho Hey”:

Johnny Cash’s “Ring of Fire”:

Jason Mraz’s “I Won’t Give Up”:

Jessie J’s “Price Tag”:

Robyn’s “Call Your Girlfriend”:

Imogen Heap’s “Headlock”:

Read more:

10 TV Couples We’re Shipping Right Now (including Deacon and Rayna)

PaleyFest 2013: ‘Nashville’ cast talks rhinestones, romances, and tour rumors

Best of 2012 (Behind the Scenes): Sam Palladio on Gunnar & Scarlett’s greatest ‘Nashville’ hits

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