Sonu Nigam shares a video as he writhes in pain ahead of his Pune show, calling it “one of the most difficult days of my life.” 💔 Despite the pain, the legendary singer continues to power through. #SonuNigam #PuneShow #DifficultDay #Pain #Music #Bollywood #SingerLife #StayStrong #LegendarySinger #HealthStruggles #MusicIndustry