Although he is probably best known today for his performance in Singin ' in the Rain , he was a dominant force in LOCATION@1 musical films from the mid NUMBER@1 until the demise of this form in the late NUMBER@2 .

Although he is probably most famous today for his act in Singin ' in the Rain , he was the most important actor in the Hollywood musical film industry from the mid NUMBER@1 until its decadence in the late NUMBER@2 .
