You might find some of these a good reference for your own features and special weekends.Its great that these stations make these song lists available for their listeners on their websites.
Special kudos to John Hager at WGRF/Buffalo.
Top Song Lists:
WAXQ/NYC's Top 1043 Classic Rock Songs Of All TIme
KZOK/Seattle's Top 1000 Song List
KCFX/Kansas City's 1001 Best Classic Rock Songs Of All TIme
WLVQ/Columbus Memorial Day 500
Other Lists:
Top 97 Artist List - from WGRF/Buffalo.
A to Z List - from WCSX/Detroit
Another A to Z List - from WGRF/Buffalo
Z to A List - from KZOK/Seattle
Beatles A to Z List - from WGRF/Buffalo
Halloween A to Z List - from WGRF/Buffalo
Artists A to Z List - from WGRF/Buffalo
Drinking Songs A to Z List - from WGRF/Buffalo
Plus: check out WAXQ/NYC's collection of Top Ten Weekend Lists.
