Tom: D A - G A D G - A D D D D Say, who's got trouble? (We got trouble!) How much trouble? (Too much trouble!) D D - D7 A (3) X X X Well now, don't you frown, just knuckle down, and knock on wood! Em Em Em Em Who's unhappy? (We're unhappy!) How unhappy? (Too unhappy!) A A D (3) X X X That won't do: when you are blue just knock on wood! D D D D Who's unlucky? (We're unlucky!) How unlucky? (Too unlucky!) D D - D7 A (3) X X X But your luck'll change if you'll arrange to knock on wood! Em Em Em Em Who's got nothin'? (We got nothin'!) How much nothin'? (Too much nothin'!) A A D (3) X X X Say, nothin's not an awful lot, but knock on wood! D D D D Now who's happy? (We're happy!) Just how happy? (Very happy!) D D - D7 A (3) X X X That's the way we're gonna stay, so knock on wood! Em Em Em Em Now who's lucky? (We're all lucky!) Just how lucky? (Very lucky!) A A D D Well, smile up then! And once again let's knock on wood!