Why DJ Khaled have like 50 people on one song?..song title be like.. DJ Khaled I'm the one ft Justin…

Why DJ Khaled have like 50 people on one song?..song title be like.. DJ Khaled I'm the one ft Justin Bieber, Quavo, Chance the rapper, Lil Wayne, Micky mouse, Snow white and the 7 Dwarfs, Dora the explorer, Ray Ray from down the street, pookie from up the street