As the night came to an end, the Atlantic City Boardwalk was lit up with vibrant colors as Grucci fireworks burst in the air being launched from a barge on the Atlantic Ocean. Hard Rock Hotel & Casino in Atlantic City is a world-class destination for decadent dining, exciting entertainment, and gaming located in New Jersey. The grand-opening moment was followed by the legendary Hard Rock 'Guitar Smash' which also featured Grucci indoor pyrotechnics. Hard Rock and Seminole Gaming says they plan to focus their attention on bringing back entertainment to Atlantic City. Atlantic City, NJ - Thursday, June 28, 2018, Hard Rock Hotel & Casino Atlantic City celebrated its grand opening Grucci Style with not one, but two pyrotechnic performances! The first show was held in the Etess Arena with indoor pyrotechnics choreographed to the tunes of 'The Greatest Show' from the award winning musical The Greatest Showman.