"Greatest Hit (…& 21 Other Pretty Songs)", il primo best-of dei Dream Theater, sarà pubblicato il 1 Aprile negli States al prezzo consigliato di 19.98 dollari.

I 22 brani scelti sono stati divisi in due cd, "The Dark Side" (quello "metalloso") e "The Light Side" (quello melodico).

"Greatest Hit (…& 21 Other Pretty Cool Songs)" track listing:

Disc 1 (The Dark Side):

01. Pull Me Under (2007 Remix)
02. Take The Time (2007 Remix)
03. Lie (Single Edit)
04. Peruvian Skies
05. Home (Single Edit)
06. Misunderstood (Single Edit)
07. The Test That Stumped Them All
08. As I Am
09. Endless Sacrifice
10. The Root Of All Evil
11. Sacrificed Sons

Disc 2 (The Light Side):

01. Another Day (2007 Remix)
02. To Live Forever
03. Lifting Shadows Off A Dream
04. The Silent Man
05. Hollow Years
06. Through Her Eyes (Alternate Album Mix)
07. The Spirit Carries On
08. Solitary Shell (Single Edit)
09. I Walk Beside You
10. The Answer Lies Within
11. Disappear