The album is widely regarded as one of the most influential albums in the music industry as being the first double album in Rap and Hiphop history. It was also recognized as one of the crowning achievements of West Coast Hip-Hop and 1990s Rap music. It has been called "despite some undeniable filler easily the best production 2Pac's ever had on record". According to the RIAA, the album is one of the highest-selling rap albums of all time, with over 5 million copies of the album sold in the United States alone by April 1996. It was certified 9x platinum in June 1998 by the RIAA