The Worst That Could Happen by Jimmy Webb is in C at 100 beats per minute and runs 2:12 across 31 bars. It uses 19 chords — C, F, Am, Dm7, Em7, G, Eb, Fm, and a few more. The chord diagram changes as the song plays and the words light up as they are sung, so you can strum and sing along without reading ahead.
Want the melody line note by note? The Worst That Could Happen guitar melody tab.