Satyagraha was utterly magical. That's the Times review, click through and watch the video if you have some spare minutes - I don't know that it conveys how lovely the music is, but it does give some approximate sense of the beauty of the mise-en-scene, especially the puppetry and the use of paper and other inexpensive props (I do not know that I have ever seen a better use of paper in a stage production). It is later in Gandhi's life than his South African career that he would become strongly associated with the handloom, but there is a particularly beautiful scene that involves something like tape being wound back and forth across the stage like the warp on a simple mechanical loom - it is beautiful!
(I often think during a good masters swim workout that the pool exudes an industrious vibe much like a loom - this opera, too, gave me the feeling of structure and variation that is part of what I particularly enjoy about a very good swim workout. Expansive, opening, industrious!)