The Bible (KJV1611) is pretty clear on the subject of stealing, and just a few of the many prominent verses (Ephesians 4:28, Exodus 20:15, Leviticus 19:11, Mark 10:19) come to mind. Indeed, it is sometimes astounding at how many of the unsaved still are out there that claim Jesus was a socialist.
When it comes to contemporary composers stealing (plagiarizing) music, two stand out in my mind. The first is Andrew Lloyd Webber - known for his compositions of "musicals", meaning "broadway", meaning "show tunes" - and we all know that means "gay". Homers can hum a show tune faster than they can remember the first line of "Onward Christian Soldiers". One of his most popular compositions was the musical "Cats" - which promoted bestiality on the world's stages.
John Williams is embarrassingly touted as one of America's most renowned composers. His award winning film scores for Star Wars (promoting sex with wookies), and Harry Potter (promoting witchcraft) are amongst his numerous penchants for promoting sin and the decline of Christian culture in the modern world.
There is still time for Mr. Webber and Mr. Williams to confess their sins before the final judgment and the certain eternal punishment in the Lake of Fire that awaits them otherwise.