Handsupowo.pl, Hands Up Music, New Hands Up mp3

Milk_ Inc-Blackout-(ZD101)-WEB-UKHx
Recca - You_ Make_ Me_ Wanna-WEB-2010-UKHx
Deejay_ Advance_ -_ She_ Lives_ For_ The _Music__ All_ Mixes-WEB-2011-UKHx
Italo_ Brothers_ -_ So_ Small-CDM-2009-QMI
Mickmeister_ -_ Where_ Are_ You _Now-WEB-2007-CLN
Die Atzen_ Frauenarzt_ und_ Manny_ Marc - Atzin-WEB-DE-2010-VOICE
Basslovers_ United _- _Music-(CUED014-X)-WEB-2007-eST

Why is there spaces instead of underscores in these release names?
Where are you copying these names from?