Radio 2 gets better the later you listen; the drive time slot 5 - 7, has usually been ok. Between 7 and midnight there is a whole host of various, usually specialist, music styles. R & B (and I mean the "proper" R & B, standing for rhythm and blues, not the bland, mediocre ballad type stuff they refer to as R & B on radio 1 ) with Paul Jones. Jazz. Folk with Mark Radcliffe, etc. And also stuff that would have been familiar to listeners of the Light Programme back in the 50s such as Friday Night is Music Night and Desmond Carrington's show.
Personally I prefer to alternate between radio 4 (the Today Programme on the drive to work in the morning) and 6 Music for music consumption. Sometimes R4 and R4 extra between 6.30 and 7.30 in the evening there are some good comedy shows on (especially liking the re-runs of Round the Horn from the 60s on 4 Extra*).
* I suppose this can be added to the list of the OP.