1. Madonna - 21
2. Michael Jackson - 18
3. The Beatles - 9
4. Shakira - 9
5. U2 - 8
6. Paul Anka - 8
7. Depeche Mode - 7
8. Enrique Iglesias - 7
9. Envis Presley - 6
10. George Michael - 6
11. Julio Iglesias - 5
12. Paul McCartney - 5
13. Pitbull - 5
14. Lady Gaga - 5
15. Ace of Base - 4
16. Christina Aguilera 4
17. Alejandro Sanz - 3

Hey guys, can you help to complete this list. I think that i forgot somebody.

This would be the right list if we join both physical and digital eras

1.	MADONNA			21
2.	MICHAEL JACKSON		20
3.	DEPECHE MODE		10
4.	THE BEATLES			9
5.	ALASKA (+Pegamoides, Dinarama, Fangoria)	9
6.	DUO DINAMICO		8
7.	PAUL ANKA			8
8.	U2				8
9.	SHAKIRA		8
10.	ELVIS PRESLEY		7
11.	CAMILO SESTO		7
12.	MIGUEL BOSE			7
13.	GEORGE MICHAEL		7
14.	PABLO ALBORAN		7
15.	PAUL McCARTNEY		6
16.	DAVID BISBAL		6
17.	ENRIQUE IGLESIAS		6
18.	LOS 5 LATINOS		5
19.	LOS BRINCOS			5
20.	JULIO IGLESIAS		5
21.	VICTOR MANUEL		5
22.	BUNBURY			5
23.	MONICA NARANJO		5
24.	MODERN TALKING		5
25.	PITBULL		5
26.	JOSE GUARDIOLA		4
27.	LUIS AGUILE			4
28.	LOS DIABLOS			4
29.	BEE GEES			4
30.	SNAP				4
31.	MECANO			4
32.	THE CURE			4
33.	ESTOPA		4
34.	ALEJANDRO SANZ		4
35.	CHRISTINA AGUILERA	4
36.	JUAN MAGAN		4
37.	RICHARD ANTHONY		3
38.	RAPHAEL			3
39.	CLIFF RICHARD		3
40.	DEMIS ROUSSOS		3
41.	BONEY M			3
42.	ROBERTO CARLOS		3
43.	UMBERTO TOZZI		3
44.	ELECTRIC LIGHT ORCH.	3
45.	MOCEDADES			3
46.	JOSE LUIS PERALES		3
47.	IVAN				3
48.	STEVIE WONDER		3
49.	ANA BELEN			3
50.	COMMUNARDS		3
51.	CASAL				3
52.	PET SHOP BOYS		3
53.	TOM JONES			3
54.	OLIVIA NEWTON-JOHN	3
55.	WHITNEY HOUSTON		3
56.	SPICE GIRLS			3
57.	BACKSTREET BOYS		3
58.	ACE OF BASE			3
59.	GLORIA ESTEFAN		3
60.	VENGABOYS			3
61.	CHAYANNE			3
62.	CHEMICAL BROTHERS	3
63.	CRAZY FROG			3
64.	IRON MAIDEN			3
65.	KYLIE MINOGUE		3
66.	JENNIFER LOPEZ		3
67.	RICKY MARTIN		3
68.	BRITNEY SPEARS		3
69.	PINK		3
70.	RIHANNA		3
71.	PHARRELL WILLIAMS	3
72.	CALI Y EL DANDEE		3