Proud Boys came to the rally in Atlanta. Then the tubas stepped in!

[CrispyQ]

76. I goggled it this morning cuz I didn't see enough parade footage to know if there were bands.

The West Point marching band & one or more of the Army bands performed.

I didn't know this, though:

AI Overview
Yes, the U.S. Army has numerous bands, including those that perform as marching bands. These bands are part of the larger structure of U.S. military bands. Army bands play a variety of music styles and participate in ceremonies, concerts, and parades, both nationally and internationally.

Yes, the Marines have a marching band, known as "The President's Own" United States Marine Band. They are the oldest continuously active professional musical organization in the United States. In addition to the Marine Band, there are also ten Marine Corps Fleet Bands, which include marching bands.

Drum and Bugle Corps • United States Air Force Academy
Yes, the Air Force has a marching band, often referred to as the Ceremonial Marching Band. It is one of the performing ensembles within the United States Air Force Academy Band. The band performs at military ceremonies, parades, and other events, showcasing military precision and musicality.

Yes, the Navy has both a ceremonial/marching band and other musical ensembles. The Navy Band Northeast, for example, features a marching band that performs at street parades and other public events in the Northeast. The Navy also has other bands, including a concert band, brass band, and rock band, which can be seen at public concerts or parades. The U.S. Naval Academy also has a marching band and a drum and bugle corps that performs for various events.