while braking the car.....
 

While I'm driving my 1995 accord on the road. Sometime I press on the brake it sounds like a horn or whistle. Any help or tips why this is happening. How can I stop this.......

the rotors or brakes could be going bad.. not all brake pads are low noise and they end up squeaking a lot.. i tried to use low dust pads on my civic to help keep my rims clean and they were very loud under breaking

when was the last brake change, how many miles do you have on your rotors.

I just change my brake pads two weeks ago. But I'm not sure about the rotor because I just got the car for free.

try shooting the front brakes with water pressure when cool or before driving the car, it might have a lot of dust. If you used duralast, it will have lots of brake dust, black in color.