Here is the combined Billboard Hot 100 chart history for Madonna, Janet Jackson, Whitney Houston, Mariah Carey & Céline Dion.
Janet Timemarks:
0:00 — 'Janet Jackson' Era
1:53 — 'Control' Era
4:14 — 'Rhythm Nation 1814' Era
6:50 — 'Janet' Era
10:04 — 'The Velvet Rope' Era
11:46 — 'All For You' Era
14:16 — 'Damita Jo' Era
15:37 — '20 Y.O.' Era
16:00 — 'Discipline' Era
17:45 — 'Unbreakable' Era
Madonna Timemarks:
0:16 — 'Madonna' Era
1:00 — 'Like A Virgin' Era
1:59 — 'True Blue' Era
3:55 — 'Like a Prayer' Era
4:43 — 'I'm Breathless' Era
6:27 — 'Erotica' Era
7:50 — 'Bedtime Stories' Era
10:15 — 'Ray of Light' Era
11:55 — 'Music' Era
13:26 — 'American Life' Era
15:12 — 'Confessions on a Dance Floor' Era
16:09 — 'Hard Candy' Era
17:03 — 'MDNA' Era
17:43 — 'Rebel Heart' Era
Whitney Timemarks:
0:41 — 'Whitney Houston' Era
2:45 — 'Whitney' Era
5:05 — 'I'm Your Baby Tonight' Era
6:31 — 'The Bodyguard' Era
10:44 — 'My Love Is Your Love' Era
13:19 — 'Just Whitney' Era
16:40 — 'I Look To You' Era
Mariah Timemarks:
4:48 — 'Mariah Carey' Era
5:41 — 'Emotions' Era
7:01 — 'Music Box' Era
8:31 — 'Daydream' Era
9:53 — 'Butterfly' Era
11:15 — 'Rainbow' Era
12:30 — 'Glitter' Era
13:34 — 'Charmbracelet' Era
14:39 — 'The Emancipation Of Mimi' Era
16:05 — 'E=MC2' Era
16:37 — 'Memoirs of an imperfect Angel' Era
17:16 — 'Me. I Am Mariah' Era
Celine Timemarks:
5:10 — 'Unison' Era
6:07 — 'Celine Dion' Era
7:14 — 'The Colour Of My Love' Era
9:08 — 'Falling into You' Era
10:12 — 'Let's Talk About Love' Era
12:59 — 'A New Day Has Come' Era
13:39 — 'One Heart' Era
15:54 — 'Taking Chances' Era