Willie Nelson poses with the Muppets in epic group photo

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Willie Nelson is known for collaborations with artists like Waylon Jennings and Snoop Dogg. Now, it looks like he’s making beautiful music with the Muppets.

>>Photos: Willie Nelson through the years

The country music king and Austin icon posted a photo to Instagram on Sunday of him posing with some felt friends, The Electric Mayhem. Animal looks particularly happy to meet the "On the Road Again" singer.

We couldn't find any details on the official websites for either the Muppets or Nelson, but smart money would bet that the singer is set for an upcoming guest spot on ABC's "The Muppets." At least one Muppet fan site seems to think so.

This isn’t Nelson’s first time to rub elbows with Jim Henson’s crew. He famously recorded a cover of Kermit the Frog’s “The Rainbow Connection” in 2001, released on the Grammy-nominated album of the same name.