In the crowd as the jam band heroes bring one of their biggest live experiences ever to the Las Vegas venue Most bands spend their entire careers building a repertoire deep enough to compel an arena’s worth of fans to sing along to every lyric of their well-rehearsed, choreographed 90-minute show. Phish , who just completed a high-profile, high-stakes, nine-night residency at Sphere in Las Vegas, took it to another level without a single song repeating over the entire three-weekend affair. In total, the band played for upwards of 27 hours. The song count: 161 over nine shows, besting Dead & Company’s 121-song tally at the Sphere (over two years and 48 shows). Eagles and Backstreet Boys only performed around two dozen songs each, over their respective 50-plus show runs; the same is expected for No Doubt, who arrive at the Sphere this week. It’s not the first time Phish walked the “no repeats” tightrope without a net.…