‘They’ll never bring us dowwwwwwwn!’ Wicked’s stars pick their favourite songs from the smash hit

<p>The musical powerhouse has spawned huge hits, but which do its troupers love to belt out – even for the 1,700th time? From Broadway legend Idina Menzel to composer Stephen Schwartz, they reveal all</p><p><em><strong>Idina Menzel</strong></em><em> or