For the best sound, turn off "Audio Normalization" in your playback software and use the highest available quality settings.
Typical contents for a DJ-related archive like this include: DJ Sean P - Keep Bouncing.rar
If you plan to submit this mix to a radio station, check their specific rules—WAV is often preferred for broadcast quality, while MP3 is better for small file sizes. For the best sound, turn off "Audio Normalization"