He has worked with other DJs and producers, such as Kaskade, MC Flipside, Rob Swire and Wolfgang Gartner.
On a number of releases, he has partnered with Melleefresh.
His fifth studio album, titled 4×4=12, was released on December 6, 2010, in the United Kingdom and December 7, 2010, in the United States.
Singles "Some Chords" on May 3, 2010, "Animal Rights" (with Wolfgang Gartner) on September 6, and "Sofi Needs a Ladder" (featuring SOFI) on November 1 were released and were featured on the album.
Random Album Title, saw a digital release on September 2, 2008, via Ultra Records in the United States and Ministry of Sound in the United Kingdom and Europe.
Physical copies of the album were released in November 2008.
Booloo has a zero-tolerance policy against illegal pornography.
For Lack of a Better Name includes two of Zimmerman's most popular songs, "Ghosts 'n' Stuff" (featuring Rob Swire) and "Strobe".
"Ghosts 'n' Stuff" was released on November 25, 2008, before the album, while "Strobe" was released on February 23, 2010, after the album's release.
MTV named Zimmerman as the house DJ for the 2010 MTV Video Music Awards and MTV PUSH artist of the week on August 16, 2010.
He expressed gratitude towards Lady Gaga and David Guetta for bringing dance into the pop music scene and paving the way for him to the mainstream.