Album has these songs
All songs from every album releases
Many songs are available for 30 seconds preview listening (by Spotify Audio Preview Clips)
#1
The Catalyst (radio edit)
04:44
#2
The Catalyst (album version)
05:43
Album has 7 releases
Album releases in order of release date. Media format, release date, country, etc.

CD
2010
United Kingdom

Digital
2 Aug 2010
United States

Digital
2 Aug 2010

CD
27 Aug 2010
Germany

Digital
27 Aug 2010

CD
14 Sep 2010
United States

CD
14 Sep 2010