Q: Context: "Dancing in the Dark" is a popular American song, with music by Arthur Schwartz and lyrics by Howard Dietz, that was first introduced by John Barker in the 1931 revue The Band Wagon. The song was first recorded by Bing Crosby on August 19, 1931 with Studio Orchestra directed by Victor Young, staying on the pop charts for six weeks, peaking at # 3, and helping to make it a lasting standard. The 1941 recording by Artie Shaw and His Orchestra earned Shaw one of his eight gold records at the height of the Big Band era of the 1930s and 1940s.

Question: who wrote the song dancing in the dark?
Let's give stream of consciousness below

The relevant sentence in the passage is: "Dancing in the Dark" is a popular American song, with music by Arthur Schwartz and lyrics by Howard Dietz, that was first introduced by John Barker in the 1931 revue The Band Wagon. So the answer is music by Arthur Schwartz and lyrics by Howard Dietz.