What happened to 92.3 K-Rock Radio

Anyone realize that driving home around 5pm, 92.3 is commercial free Z100 type music????
What happened?

I personally dont like it.
I mean....it is great that it is commercial free and all, but we have z100 to hear that type of music.

It was crazy when I 1st heard it...I put on 92.3 (thinking it is k-rock) and before I even realized....Britney Spears' Circus was playing. I was like....."WTF. I thought I changed the channel." I put back on 92.3, and yup...Britney Spears' Circus was playing. I started laughing thinking....what happened? But it has been this way for almost a week now.

I think they should go back to rock music at least.

Yea...just my opinion...Thoughts?