Dorff has written several songs for other artists, including "Hypnotize the Moon" and "My Heart Will Never Know" for Clay Walker, "The Man in Love with You" and "I Cross My Heart" by George Strait, "Don't Underestimate My Love for You" by Lee Greenwood, "Every Which Way But Loose" by Eddie Rabbitt and "Through the Years" by Kenny Rogers.
American Heart Association | Purple Heart | Heart | Sacred Heart | Heart of Darkness | Heart (band) | Heart of Midlothian F.C. | Set the Controls for the Heart of the Sun | heart failure | British Heart Foundation | The Heart of Midlothian | Wild at Heart | The Ponder Heart | The Heart Throbs | Sacred Heart Church | Owner of a Lonely Heart | National Heart, Lung, and Blood Institute | Immaculate Heart of Mary | I Cross My Heart | heart | Crazy Heart | A Heart in Winter | Achy Breaky Heart | You're My Heart, You're My Soul | Total Eclipse of the Heart | The Young in Heart | The Tell-Tale Heart | The Normal Heart | The Naked Heart | The Hellbound Heart |