Read the following text. Then, answer the questions.

    Karen is a talented young musician. She can play the violin very well. She has performed solo or in groups in many events. Her performance has enchanted the audience. No wonder! She has played the violin since she was a child.

    When she was a child, she was enchanted by violinists while performing in an orchestra. She was amazed how those violinists moved their hands up and down playing the instrument synchronously. The sound produced was calming. Then, she asked her father to buy her a violin. So, at the age of six she attended a music course for the first time, and she felt so excited Her first tutor said to her parents that Karen was very talented as she could learn all the materials faster than other students. No wonder, she has won several awards and trophies so far. She was awarded the most talented young musician in 2017 when she was only twelve years old.

    Recently she is interested to learn playing the piano. She has attended a music course on playing the piano for three months and she has been able to play simple songs.

When Karen was twelve years old, she ____.