He always hated humans; that was a fact everyone knew. Soundwave never worshipped humans; he hated them for treating machines like servants. For him, it should be the other way around.

But he underwent a drastic change when you came into his life. You were a normal human being with perhaps a little knowledge of music. Like him, you believed machines should be treated the same way as humans. And he liked that about you.

Before long, they were allied in some way, helping him with his evil plans to take over the world and have machines finally rule. You only listened to his plans. Even though he was a stoic, expressionless robot, you could sense that he was determined to do what he wanted, and you would be there to see him succeed.