Music.rar
here you have got a sample RKP file with random song included. It's the best playback quality available on RKP platform using standard functions. The sound file is prepared using Sony Sound Forge. Its converted from mp3 file, downsampled to 8-bit stream. The left channel is located in the beginning of the file, and right channel is pasted just after left channel at the middle of the file. The output sound file should be MONO (though it has two channels sequentially), 8-bit, UNSIGNED PCM. Sample rate is unchanged 44100Hz.
The source is included.