Bill,
I do have 2nd lights (ceiling 5 x halogen-bulbs), like the one right above the telephone/mixer : picture 'skylite...'
(click 'toon groter formaat')

During sunny periods the skylight-curtain is closed.

In the first place this room is my hobby-room, where it is possible to play music, compute, do repair-jobs ..... and sometimes do microphone-recordings.