What type of musical decoration often hangs above a baby's crib?

A museum in Springer, New Mexico, bears the name of which Old West trail that opened in 1821? A museum on Seattle's Main Street is named for which Klondike event of the 1890s that made the city a boomtown? Which Italian musical direction means to play softly? What musical instrument is "das Klavier" in German? Which French composer wrote the 1859 opera "Faust"? Which musician and poet of Greek myth married Eurydice? A mutt and a cocker spaniel slurp spaghetti and smooch in which 1955 Disney classic? Which word can describe a naiad in myth or Lolita in literature?