harry nilsson
one
One is the loneliest number that you'll ever do Two can be as bad as one It's the loneliest number since the number one  "No" is the saddest experience you'll ever know Yes, it's the saddest experience you'll ever know Because one is the loneliest number that you'll ever do One is the loneliest number that you'll ever know  It's just no good anymore since you went away Now I spend my time just making rhymes of yesterday  Because one is the loneliest number That you'll ever do One is the loneliest number That you'll ever know  One is the loneliest number One is the loneliest number One is the loneliest number that you'll ever do One is the loneliest number Much, much worse than two  One is the number divided by two One  One is the loneliest number