Analyse three contemporary commercial music

Three songs are1, Alpha 9 – Come Home (Original Mix) https://www.youtube.com/watch?v=ABQ8M35oJpU2, Haruka nakamura – Lamp feat.Nujabes https://www.youtube.com/watch?v=cHQ-oVSYkeU3, Hans Zimmer – Time (Inception) https://www.youtube.com/watch?v=RxabLA7UQ9k&t=91sRequirement-Analyse three contemporary commercial music ( Arrangement,Use of effects)-The defining characteristics of the musical genres.-How the reference tracks conform to the musical genre.-The production techniques used in the reference tracks and musical genres.