Tom Cruise and Katie Holmes attend dance classes

49 year old actor - who has a five year old daughter with actress - says his wife is responsible for agreeing to participate in the musical "Rock of Ages', and I always try to instill a love of the performing arts in his family.

"You'll be as surprised as I am acting in the film. Kate said to me: 'You have to do a musical.' Les Grossman Dance [character in 'Tropic Thunder'] was inspired because Kate is a dancer, sings and we takes dance classes. She would say, 'I pointed to this kind of dance for the family so we have to. is kind of hip-hop, we have to go, "said the actor.

Cruise plays in the film - which also are Alec Baldwin , Catherine Zeta Jones , Mary J. Blige and Julianne Hough - the 80's rocker, Stacee Jaxx, and although the actor studied about the musicians of the time, insists that his character is not based on any particular one.

"I studied everything related to the time and read many books," the actor told MTV News.

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