The protest was against the shooting death of 22-year-old Nygil Cullins in 2022 by a police officer.
He has been suspended for 60 days.
The shooting incident happened at 5200 Windward Parkway.
The annual event celebrated a talented group of songwriters that included R.E.M., Steely Dan and Timbaland.
The corporation is asking for about $30 million to start planning the hub and buying property “currently at risk of development” in 2025.
The assessment is expected to take at least two years, according to the Corps.