Music Supervisors interviews on Variety: http://youtu.be/OPSyAeSvsHg?list=PLLx_Nt-I7ViqFj5ZKKty9HoYo-jJZS1NJ
James Horner's TED Talk about scoring for films: https://www.youtube.com/watch?v=xIcwsQgQrEg
The same scene presented with different underscoring:
Now You See It's discussion about Music in Film: "How Film Scores Play with Our Brains" : https://www.youtube.com/watch?v=bCpYbSz1KqE
Film Editing Pro's look at how to construct an orchestral music cue: https://www.filmeditingpro.com/film-scoring-how-to-compose-an-orchestral-music-cue
Film Editing Pro's description of how to edit a music cue: FEP Audio Editing
A group for watching together: