Luckily, this can be solved with the help of MP3 sound normalizing tools. This indeed destroys a great music listening experience forcing you to reach out the volume controller every time you hear uncomfortable sound level. Yet albeit its convenience, downloading music files from different sources tends to give one major problem, erratic and very uneven volume levels. And at the same time you could easily rip songs from audio CDs by utilizing different programs. With tons of website offering high quality free music, one can quickly pile up huge amount of MP3s in no time. Nowadays, downloading MP3s online comes as easy as counting 1-2-3.