Riverdance the Irish hardshoe sensation that took PBS viewers by storm underwent its second incarnation with Live from New York City a 1996 performance filmed at Radio City Music Hall While most of the attributes from 1995s Riverdance The Show remainthe dazzling ensemble choreography Bill Whelans energetic score and the New Agey view of Celtic mythologythe most significant difference is at the top where Colin Dunne replaced bombastic lead dancer Michael Flatley Though lacking Flatleys bravura Dunne is a superb technician who works well with Flatleys former colead Jean Butler Flamenco dancer Maria Pagis returns as do the Riverdance Singers formerly known as Anuna with soloist Katie McMahon and the orchestra with fiery fiddler Eileen Ivers