What are the notes for jus plain blues?

"Jus' Plain Blues" is typically based on a 12-bar blues structure, primarily using the I, IV, and V chords. In the key of C, the notes would be C (I), F (IV), and G (V). The melody often incorporates the blues scale, which includes the notes C, Eb, F, F#, G, and Bb for improvisation. The specific notes can vary based on the arrangement and style of performance.