他是一支著名乐队的职业吉他手。

He is a professional ___guitarist in a famous band.

我姐姐是我们学校摇滚乐队的主音吉他手。

My sister is the lead ___guitarist of our school rock band.

经过多年的练习，她成为了一位技艺娴熟的自学吉他手。

After years of practice, she became a very skilled self-taught ___guitarist.