Harry Styles paid tribute last night to his late One Direction bandmate Liam Payne by performing an unreleased acoustic song titled “What Is Enough” from the stage of Madison Square Garden. The mood was typically celebratory at Harry Styles’ residency show at New York’s Madison Square Garden Friday night, but Harry Styles was not about to let the second anniversary of the death of former One Direction bandmate Liam Payne go unremarked upon — or, to the shock of fans, unsung about. Key points and original sources are listed below.

• Harry Styles paid tribute last night to his late One Direction bandmate Liam Payne by performing an unreleased acoustic song titled “What Is Enough” from the stage of Madison Square Garden. The sold-out performance came on the two-year anniversary of Payne’s d...S1

• The mood was typically celebratory at Harry Styles’ residency show at New York’s Madison Square Garden Friday night, but Harry Styles was not about to let the second anniversary of the death of former One Direction bandmate Liam Payne go unremarked upon — or,...S2

• Liam Payne died two years ago after falling from a balcony in Argentina.S3