Workin’ On A Groovy Thing by The Fifth Dimension is in G at 100 beats per minute and runs 2:26 across 24 bars. It uses 10 chords — G, G6, Am7, Bm7, Cmaj7, Em7, A7, Em, 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? Workin’ On A Groovy Thing guitar melody tab.