Jhguthlac: In your car, you might be able to get 96.1 WSOX - Greatest Hits - York PA. I haven't listened lately so I don't know if they have gone Christmas Music 24/7 yet. The other choice for me music wise on radio, is WTRI 90.1 or 107.7 (Wilmington translator) for Classical by day and Jazz at night or maybe WVUD 91.3 (some of their music - Classical and some of the Blue Grass I like, sometimes I hear folks music there which too is fine, a lot the other stuff they air I don't like at all).
Also WVLT 92.1 Vineland, NJ has Oldies.
Sometimes WGLS 89.7 Rowen Univ Radio NJ has Oldies.
A station my wife really likes, so maybe this will work for you and your wife, 95.7 (don't know the calls - Ben -FM), or even 92.9 WRDX (Tom-FM).
However, I've been listening to Sports Talk more in the car and at work (1290 WWTX Dan Patrick, Jim Rome, or the Loose Cannon's) or 96.5 WPEN-FM, and to a lesser degree to, WIP-94.1 and depending on my mood and what's being discussed or aired to NPR 90.9 WHYY-FM (Morning Edition, Radio Times, Talk of the Nation, Fresh Air, and All Things Considered).
I'm just burned out on political talk so other than Allan Loudell's noon news/interviews, I've not been a regular at WDEL as AL's too extreme in some of his views, especially his anti-God views (makes me think of Bill Maher thus a deal breaker for my ear) and Rick is a Rush wannabe (if I want a right wing Obama is evil rants, etc,[which I don't] I would tune in to Rush on WILM and hear the master of that sort of political talk).
Frankly, when I want music while driving I just pop in a CD and listen to my private collection as radio just doesn't play what I want to hear other than Classical, Jazz, or sometimes Greatest Hits.
Sad thing is, you and I are past the age that the advertisers even care if we listen. As you know, they don't even consider us a bonus if we listen. So, at least for my ear, spoken word programming on radio (now on AM and FM) is what I seem to be listening too more and more other than Classical Music, Jazz, and sometimes Greatest Hits. So I guess what I'm saying is its only going to be more difficult for folks like you and I to be Music listeners on OTA radio.
My car didn't come with satellite radio and the idea of paying a monthly fee, plus a rather hefty price to get a satellite radio and have it installed, another fee, in my older car isn't too appealing, so CD's seem the far less expensive route for music in the car, especially since the CD player in my car sounds quite good.