Get to know more music teachers in schools. There are more volunteers in their circle, but the teachers are more arrogant. Sometimes extra-curricular tutoring is very profitable and may not be interested in hanging out with you.

Take part in more local performances and maybe meet potential friends.

Anyone who plays the four big bands can make friends. Maybe you know a drummer, a guitarist, a keyboard player and a singer. The neighbor who sings is a guitarist, and this guitarist may be you!