"I trust God and know everything that happens is for our greatest good, but man ... it's tough right now," he says.
The song's lyrics repeat: "I am not poison, no I am not poison - just a boy from the hood that's got my hands in the air in despair, don't shoot, I just want to do good".
Alton Sterling was shot in Louisiana on Tuesday after being pinned to the pavement by two white officers.
A Minnesota officer shot Philando Castile dead while he was in a car with a woman and a child, just a day later.
A demonstration against their deaths ended in further tragedy as a sniper opened fire on police officers in the heart of Dallas, killing five officers and injuring six others on Thursday evening.