I have a background in Event Services and Stage Performances.
The Photos contain the International DJ known as Nicky Romero from Amsterdam. They feature his presence at various nightclubs. The Elevation photo features him at The Grand in Boston. The Polyphonic photo is based on the production from The Dreamer.
The photos of Machine Gun Kelly are from his Hotel Diablo Tour as he performs in New York at The PlayStation Theater.
The Black and White Photo of Chris Brown has a silver and white border with a light blue circle used for centering. It symbolizes Light which is a factor during his dance performances on stage at TD Garden in Boston as he performed with his dancers for The Indigo Tour.
The colorful photo of Joaquin Phoenix is a model to show the diamond shape over his eyes which is commonly identified with the Star of David.