Hi Carmy! The real name in Europe of that game for PSP is Formula One Grand Prix, Formula One 2005 Portable is only for Japan.
I suggest you to get on the soundtrack of PS2 version of that game. The two tracks included are the following:
-Muse - Butterflies and Hurricanes -
-Dr. Perceptron - Bump (the same artist which write the tracks for Formula One 06 (PS2 and PSP) and Formula One World Championship Edition (PS3)-
