Minecraft Survival Games Episode #3 Sound Changes?

The volume is quite low for the first song, I apologise.
Third installment of le series. Now, I think I hear sound changes, as in the game volume being louder, but I think I'm going insane. Anyhow, feedback? :D

1st Song
Main Reaktor - Recession
Main Reaktor:
➞ SoundCloud [url]https://soundcloud.com/mainreaktormusic[/url]
➞ Twitter [url]https://twitter.com/mainreaktorse[/url]
➞ YouTube [url]http://www.youtube.com/mainreaktormusic[/url]

2nd Song
Sub.Sound - Feel the buzz
Follow Sub Sound:
[url]http://soundcloud.com/subsoundproduct[/url]
[url]http://www.facebook.com/SubSoundFanPage[/url]
[url]http://twitter.com/SubSoundMusic[/url]
Server ip:
us.mcgamer.net
eu.mcgamer.net
au.mcgamer.net
ca.mcgamer.net