Mardi Gras Mambo by The Hawketts is in Eb at 100 beats per minute and runs 1:36 across 18 bars. It uses 4 chords — Bb, F7, Eb7, Bb6. 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? Mardi Gras Mambo guitar melody tab.