Types of sound used in opening

Wild Child 

It starts off with a non- diegectic sound of a lullaby music then goes into a dialogue. After that there's a transition into a diegectic sound of music playing in the background. Then it goes back into dialogue and more diegectic sounds come in later on of cheering, shouting, foot steps, water splash, dialogue, laughter, sound effect and between those scenes there is a faded overlay of background music. 

Step it up 4: Miami Heat

It begins with a loud Narrative and and overlay of soft/low background music then it gradually gets louder. Then it is a diegetic sounds of muisic, cars, dialogue, cars pulling over, engines and bikes tyres on tracks. Then there is foley sounds of glass sounds, footsteps.