There is a glitch in NASA World Wind such that you still get atmospheric effects even when you turn the sun off. When the phrase Sunless Sunset came up in a chatroom I knew I had to use it for a ditty title.
Here is the guitar tab: e|----0-------0----0-------0----0----0-- B|---0-------5-4--0-------5-4--5-4--5-4- G|--8-------4----8-------4----4----4---- D|-9---9/6-6----9---9/6-6----4----2----- A|-------------------------------------- E|-------------------------------------- e|---0-0-0-0-0-----0-0-0-0-0---0-0-0-0-0-----0-0-0-0-0---0-0-0-0-0---0-0-0-0-0- B|---0-0-0-0-0-----5-5-5-4-4---7-7-7-7-7-----5-5-5-4-4---5-5-5-4-4---5-5-5-4-4- G|---8-8-8-8-8-----4-4-4-4-4---8-8-8-8-8-----4-4-4-4-4---4-4-4-4-4---4-4-4-4-4- D|-9-9-9-9-9-9-9/6-6-6-6-6-6-9-9-9-9-9-9-9/6-6-6-6-6-6-4-4-4-4-4-4-2-2-2-2-2-2- A|----------------------------------------------------------------------------- E|-----------------------------------------------------------------------------