claim: Dark matter is distinguishable from dark energy.
evidence: In Bocca al Lupo is the third full-length album release by Murder by Death .. Murder by Death. Murder by Death ( band ). It was released on Tent Show Records , on May 23 , 2006 .. Tent Show Records. Tent Show Records. The title comes from the Italian phrase that literally translates to `` Into the Mouth of the Wolf '' and is commonly used to say `` Good luck '' .. Into the Mouth of the Wolf. In bocca al lupo ( idiom ). The album is a concept album , which essentially means the songs are all connected by themes , in this case , sin and punishment .. concept album. concept album. Guitarist and lead singer , Adam Turla , explains the meaning of the first five songs on the band 's website much like he did for their previous album , Who Will Survive , and What Will Be Left of Them ?. The following excerpt is taken from his introduction  :