a sparkle in bob's eye:
91-92 :: 92-93 :: 93-94

breaking new ground:
94-95 :: 95-96 :: 96-97

changing gears (time to rock out):
97-98 :: 98-99 :: 99-00

a new millenium, a new sound:
00-01 :: 01-02 :: 02-03 :: 03-04