Okay, so my answer gets deleted because I used the word I believe. Fine then. I hope you failed whatever quiz this was for
The answer was scale by the way.
<span> <span> A symphony is a symphony. Beethoven's 3rd and 5th symphonies certainly influenced other composers, but symphonic structure itself hasn't been redefined. Symphonie Fantastique is a symphony in name only; likewise the Rustic Wedding Symphony by Karl Goldmark - very pleasing music, but not really symphonic. César Franck included a cor anglais in his D minor symphony, and one critic remarked that it wasn't really a symphony *because* a cor anglais was included. Adding a chorus and/or vocal soloists doesn't alter symphonic form.
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Rockin’ Robin Is the answer
Peaty much blank some glass pane work but other than that not much