I'm taking break from "local" radio (except for T-Bone and Heather in the morning) and have been listening to WPER 90.5 in King George while driving. It's Christian adult contemporary music, but it's different.
The oldest record I own is a 78 pressed in 1911. The A side is a march, B side is a foxtrot.
The artist was Patrick Conway and his Concert Band. This is from 1912 and is similar to the older A side.