Maestro Riccardo Muti led the Chicago Symphony Orchestra in the third program of his fall residency with an intriguing juxtaposition of three works: Missy Mazzoli’s 2006 “These Worlds in Us”; Russian composer Anatoly Liadov’s 1908 tone poem, “The Enchanted Lake”; and finally, Tchaikovsky’s indisputable 1893 masterpiece, “Symphony No. 6 in B Minor (Pathetique).”