All things in Harmony

Barry Manilow is superstitious. Such a statement may come as a surprise to anyone familiar with the 80-year-old pop legend’s career, with decades of hits, endless Las Vegas residencies and international fame as a still-smooth crooner who wrote the songs that made the whole world sing.

Yet, there is one thing Manilow has always pined for that now inspires some irrational fears — a Broadway show.

For nearly 30 years, that goal has proved tantalisingly out of reach despite a labour of love. Harmony, a musical he composed with his longtime collaborator Bruce Sussman, the lyricist who also wrote the show’s book.

Harmony, which follows the unlikely story of a sextet of 1930s singing and vaudevillian stars — the Comedian Harmonists, torn apart by the rise of Nazism and World War II — is now running at the Ethel Barrymore ­Theatre. Barring, of course, some cosmic…