Well, the proper thing to do afterwards is search for it on the net—music and lyrics—listen a hundred times then sing along.
So I discovered more stunning lines. Sing with all the voices of the mountain... Roll in all the riches all around you / and, for once, never wonder what they're worth... You'll never hear the wolf cry to the blue corn moon / for whether we are white- or copper-skinned...
More surprise. Further research taught me that Stephen Schwartz was the one who wrote it. But I saved the best for last. Below is my favorite part of the song, where 'colors of the wind' is placed in context and turned into poetry:
You can own the Earth and still
All you'll own is earth until
You can paint with all the colors of the wind.