As previously reported, Katey Sagal will guest star later this season on Glee, coming on board the Fox musical comedy as Artie's mom.

But while the Sons of Anarchy actress has an incredible voice, we hear she will NOT be singing during her one Season 4 appearance.

HOWEVER, Ryan Murphy hopes to have Sagal back for Season 5 (he also hopes for a Season 5 in general) and, assuming a deal can be worked out, Sagal will then belt out a big musical number.

Here is your first look at the star on set, posing alongside her pretend son:

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