C Major Cadence Pattern Piano Pages   William Wieland
Printed Music Keyboard Diagram (all white piano keys)

To memorize the chords, say
" C, F, G " before you play.

Another C Major Cadence Pattern
Tunes you can accompany with a C major cadence pattern:
Camptown Races   Massa's in de Cold Ground
(The 1st triad of the C major cadence pattern is C, the 2nd is F and the penultimate chord is G.)