“We are everything but a rally or a protest”

Rapper Lil Baby’s The Bigger Picture blared from a boombox on wheels as about 15 people marched through south St. Petersburg.

“It’s bigger than black and white / It’s a problem with the whole way of life / It can’t change overnight / But we gotta start somewhere.”

The Atlanta rapper’s two-minute protest anthem played over and over — at least 10 times, maybe more — as the group of about 15 Black men, women and children marched 2.5 miles down 18th Avenue S.

The second annual…