premise: Rehab had success.
hypothesis: Rehab (Amy Winehouse song) . `` Rehab '' has become a critical and commercial success internationally , and has been referred to as Winehouse 's `` signature song '' . It won three Grammy Awards at the 50th ceremony , including Record of the Year , Song of the Year , and Best Female Pop Vocal Performance . It also won an Ivor Novello Award for Best Contemporary Song . Rehab (Rihanna song) . It was certified double platinum by the Recording Industry Association of America ( RIAA ) .