The Impossible Dream by Andy Williams is in Eb at 96 beats per minute and runs 2:21 across 36 bars. It uses 17 chords — Bb, Bbmaj7, Ebmaj7, Cm7, Dm, F7, Cm, Gm, 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 Impossible Dream guitar melody tab.