The Rocky Road To Dublin by Irish Folksong is in Em at 203 beats per minute and runs 1:08 across 23 bars. It uses 4 chords — Em, Bm, D, B. 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 Rocky Road To Dublin guitar melody tab.