Greenwood's smooth yet husky voice -- roughened up by years on the smoky casino circuit -- has often been compared to that of Kenny Rogers, but he has developed his own style over the years. Adding a touch of country to his Adult Contemporary style has produced several hits for him over the years, most notably "Dixie Road," "Hearts Aren't Made to Break (They're Made to Love)" and "I Don't Mind the Thorns (If You're the Rose).