Songs from the Underground - EP is the first compilation album by American rock band Linkin Park, released in November 28, 2008.
"Sold My Soul to Yo Mama" (a track made by Linkin Park turntablist and sampler player Joe Hahn, and guitarist/keyboardist/vocalist Mike Shinoda, which includes samples from songs "Points of Authority" and "Papercut"), was released exclusively for LP Underground 4.0.
"Announcement Service Public" and "QWERTY" are found in the LP Underground 6.0.
"Hunger Strike", a song by Temple of the Dog, was performed by its lead singer Chris Cornell (whom the band toured with), and features a surprise guest appearance by Linkin Park lead vocalist Chester Bennington.
Inside the physical CD, a leaflet can be found, inside which includes a free trial for a membership at LP Underground, as well as a limited free download of a live version of "Crawling", featuring Chris Cornell.