It sounds that she’s ok with occasional concert going or some other outings, but is not up to intense close friendship with frequent interactions. It doesn’t mean she doesn’t like you.

Even if a person spends all their free time with friends and ignores everything else in their lives, it’s still not possible to devote significant time to each friend. It sounds that she likes time with you but wants to see other friends and likely has other obligations too .

In your opinion what would be appropriate amount of hanging out and interacting with each friend?