Idina Menzel is sitting in the same dressing room she did almost 30 years ago, when she made her Broadway debut as Maureen Johnson in Rent. This time around, though, her Nederlander Theater dressing room is larger— much larger.

There’s little ideal about “Redwood,” a wholly unsurprising new tree-hugging musical (and I mean that literally), written and directed by Tina Landau, with songs composed by Kate Diaz and