1) Art is an expression of oneself, it can be through many mediums like dance, music, photography, painting, drawing etc.
2) Lin-Manuel Miranda is a composer, lyricist, and actor best known for his award winning musical "Hamilton." Another one of his works "In the Heights," is being put into motion picture this coming year with wide acclaim. Lin-Manuel uses his art to tell the story of his people, of immigrants, of New Yorkers, and of himself.
3) There are 'standards' for a good play, snappy lines, good pacing, talented actors, you can tell when a play is good by the sum of its parts, but for it to be VERY good and touch even those who know nothing about theatre, it has to have heart.