The singers who came together to make music, and who were in fashion at all times and others who came together and so far continue and do very well as in genre: poprock ballad Hip hop etc.
Andrea Bocelli & Martha Sanchez "I live for her"
Carlos Baute and Martha Sanchez "Hanging in your hands"
christina aguilera & maroon 5 "Moves like jagger"
Shakira & Alejandro Sanz
"Torture" "I thank you but not"
Enrique Iglesias & Juan Luis Guerra "When I fall in love"
Beyonce & Shakira "Beautiful rolling"
Jesse and Joe
Sidereal space runs The one of bad luck, among others.
Mana & Juan Luis Guerra "Bless your light"
ricky martin & chambao "Your memory"
Thalia & Pedro Capo "I'm in love"
The Fifth Station & Marck Anthony "Remember Me"
Jose Luis & Raul Ortega
You changed my life That's why I love you
Aleks Syntek & Ana Torroja "Love hurts"
Luis Fonsi & Chistina Aguilera "if I had not met you"