What insulation is best for soundproofing?

I'm building a music studio in my basement! Watch the full series here: • Basement Music Studio ...
In this video I go over what's important for sound isolation (soundproofing) when selecting and installing insulation.
Chapters:
00:00 - How important is insulation for soundproofing?
01:36 - What insulation is best for soundproofing?
02:45 - The best way to increase sound isolation.
Recommended Books
Home Recording Studio: Build it Like the Pros (Rod Gervais)
Master Handbook of Acoustics (F. Alton Everest & Ken C. Pohlmann)
Questions we're tackling in this video series:
How to build a music studio.
How to build a music studio in a basement.
How to build a music studio in a home.
How to soundproof a room.
How to isolate a music room from the rest of the house.
How to build a soundproof door.
How to build acoustic treatment.
How to build acoustic panels.
How to build bass traps.
#homestudio #basementstudio #musicstudio #acoustics #acoustictreatment #acousticpanels #basstraps #soundproofing #soundisolation #recording #mixing #guitar #vocals