Do You Know These Unknown Facts About 'The Sound of Music'?

• The Sound of Music is a classic film
• It stars Julie Andrews
• Learn more about the film and some fun facts

Classic never goes out of style. Let's take a look back at one of the greatest cinematic musicals of all time. Here are some lesser-known facts about The Sound of Music. 

Sound Of Music: Based on a True Story?

While most know that the story is loosely based on the true story of the Von Trapp family, did you know that the actual Maria Von Trapp and her daughter appear in the film?

Also Interesting:

The 'Sound of Music' co-stars

Julie Andrews Pays Tribute To Christopher Plummer

The Goofy BFF's!

Carol Burnett and Julie Andrews Were Caught Kissing By THIS Former First Lady

Unknown Facts About 'The Sound of Music'

(© Getty Images)

Their cameo happens during the song “I Have Confidence” when Julie goes through a tunnel, Maria Von Trapp and her daughter can be seen in the background crossing from one side to another! Watch the video above to learn more!