Who is Avery Wilson, the Knicks' 'good luck' national anthem singer?

Ever since Game 3 during the opening round of the Eastern Conference postseason between the New York Knicks and Atlanta Hawks ...

How Broadway’s Avery Wilson became the Knicks’ ‘good-luck charm’ as national anthem singer throughout playoff run

Before Karl-Anthony Towns can win a tip-off or Jalen Brunson can score a basket, Avery Wilson sets the tone as the Knicks’ ...