Musicianship (noun)

1. The skill or ability to play a musical instrument or sing.
2. The general level of skill or knowledge that a musician has.
3. The art or technique of playing a musical instrument.

Origin:

From the noun musician, which means a person skilled in playing musical instruments.

Examples:

1. She demonstrated a high level of musicianship in her performance.
2. He is known for his musicianship on the guitar.
3. The young musician showed a lot of promise with his musicianship.
4. The music school focuses on developing students' musicianship.
5. His musicianship was evident in the way he could improvise on the piano.