I Thank You by ZZ Top is in C at 100 beats per minute and runs 3:00 across 57 bars. It uses 6 chords — N.C., Am7, D, E, D5, E7. 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? I Thank You guitar melody tab.