Rubbing sound?

An light rust on the rotors will do this too. A very soft applications of the brakes for the first mile or so and slow driving will rub this off without embedding the rust particles in the pads to badly. (Rust particles in the pads wil socre the rotors.....)

Bedding can vary with pad material. But I generally just avoid hard braking for a while and work the car up to it for stock pads.