NEW YORK—After a year lost to the coronavirus, New York City’s most well-known Fourth of July traditions are back. The traditional Macy’s Fourth of July fireworks show will be back in full form with a display over the East River, with shells being shot from five barges in a televised, choregraphed spectacle. This year, crowds will be welcome to gather. The show will be broadcast live on NBC as part of a two-hour special featuring the Black Pumas, Coldplay, OneRepublic, and Reba McEntire. The performers’ appearances were pre-recorded from around the country in front of live audiences. Last year, because of pandemic restrictions, there were a series of shorter fireworks shows in the days leading up to the holiday, with the locations kept secret in advance to keep people from congregating. The annual spectacle of gluttony that is the Nathan’s Famous July Fourth hot dog eating contest is also once …