Platinum Elite Sound Recording Room Escape

[OscarW]

Peter one of the employees of Platinum Elite Recording Studio was left out by their fellow workers. He was working overtime. Security did not know this and closed the office and went away. There are sound recording equipments, hints and puzzles left. Find those tools and hints to solve the puzzles and help Peter to come out of the Platinum.

Play Here

Please use spoilers for hints and walkthroughs:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[graywolf]

Some of those trumpet pieces were hard to find.
out.