Yup the front disk breaks have started to rubb/wine. It sound like something is just resting against the rotor. I have to tap the break pedal to get it to stop...but it comes back. what up under the wheel?
Well, the pads are almost always on contact with the rotors. The gap between the two is really slim. If you get a wierd noise, just check the pads. Sometimes, a pebble could be lodged in between the pads and rotors. A shim or a clip could've broken off, so the pads might be shaking a little every so often. Take the pads off and check the wear on them. Most oem pads make whining noises to indicate that the pads are in need of a replacement.
When I had the same problem this summer, my brake fluid was contaminated. They were always gripping. When I drove on the highway, my fluid would boil and I would lose brake pressure. I flushed out the lines and got new brake fluid. That fixed the problem. I'm not 100% sure if the fluid was contaminated, though. I never touched it, but the mechanic said that was so. Whateva. just chek them out. Take off your rims and look.