Best was born in Belfast and signed for Matt Busby's Manchester United at the age of 17.

BBC: George Best features on a set of Royal Mail stamps.

Gregg, played under Sir Matt Busby and was hailed as a hero in the aftermath of the 1958 Munich air disaster.

BBC: Harry Gregg says Sir Alex Ferguson saved Manchester United

With the renovations and repairs starting at Old Trafford and the arrival of Matt Busby as manager, the club began to excel.

CNN: James Gibson: The man who saved Manchester United -- twice

The only consolation Stefan is that Sir Matt Busby is not alive today to witness this disgraceful stripping of United and all that it has stood for.

FORBES: Manchester United: where would we be without the Glazers?

Known as the doyen of Northern Ireland football writers, Dr Brodie was respected by many of the game's legendary figures including Matt Busby, Jock Stein and George Best.

BBC: Malcolm Brodie: Renowned NI sports journalist dies

Jackson was already known to United's hierarchy after producing sculptures of former manager Matt Busby and the legendary playing trio of George Best, Bobby Charlton and Denis Law.

CNN: Sculptor shows softer side of formidable Ferguson

Songs written for the show include the title track Dancing Shoes and I Think I've Found You a Genius - based on the actual telegram that football scout Bob Bishop sent Matt Busby when he discovered the teenage star.

BBC: George Best musical Dancing Shoes to open in Salford

Wilf McGuinness, who followed Sir Matt Busby at Manchester United, and Andy Robinson, who took over as England coach after their Rugby World Cup win, could both tell Nielsen a thing or two about the pressure of following success.

BBC: SPORT | Cricket | New coaches take Twenty20 bow

"I'd already done the Matt Busby sculpture for Manchester United some 12-15 years ago, " said Jackson, who in his role as royal sculptor has produced works ranging from the archangel Gabriel and Constantine the Great to the young Mozart.

CNN: Sculptor shows softer side of formidable Ferguson