Which episodes does Reba sing on Reba?

Reba McEntire sang in several episodes of the sitcom "Reba," but here are some specific episodes where she performs:

Here Comes The Judge (Season 1, Episode 3):

- "Why Haven't I Heard From You."

Reba's Rules of Etiquette (Reba's Rules and Van's Rebellion) (Season 4, Episode 13):

- "Somebody Should Leave."

Our Song(Season 6, Episode 19):

- "Reba."

Just For What I Am(Season 6, Episode 22):

- "Because of You."