you've also said that WJAS and 13Q have the same format because it's a combination of music and DJ patter.
{sigh} I guess I have to explain it. What are called "formats" can be compared to a branching tree. Formats divide into sub-formats, and sub-sub-formats, etc. But for simplicity, some simple people have to simply use the word "format" because they can't handle complexity.
In the totality of radio broadcasting, there exists spoken word programming and music programming. That's the most fundamental division. Spoken word programming is one format, music programming is another. Both of those formats contain a little of the other. In the spoken word format, they use bumper music. In the music format there is speech between songs. But basically, those are two separate formats. WJAS and 13Q both are examples of music format radio.
Spoken word formats can be divided into sub-formats like sports talk, political talk, "hot" talk, etc. Music formats can be subdivided into sub-formats based on factors like the genre of music played (pop, rock, country, ethnic, classical, etc.). Those sub-formats can be divided into sub-sub-formats based on other factors, like pop from certain bygone decades, "classic" rock, etc. Or the can be defined further by other factors, limited only by the imagination of the person doing the station programming. Which, in Pittsburgh, means no imagination at all.
I can see where anyone who can't understand the branching of music format radio into sub-formats might not grasp the point that when comparing two music format stations to any spoken word format station, the two music format stations would both be considered the same format.