[6] On December 24, 2008, it was announced that the American record label Secretly Canadian had signed jj to their roster.
For example, they've recorded covers of Akon's "Troublemaker", Jeremih's "Birthday Sex" and the "Theme Song" for the Welcome Back, Kotter TV-series.
[12][13] In late March 2011, jj collaborated with fellow Swedish artist Yves Saint Lorentz to make an official remix of Rebecca & Fiona's single "Bullets".
[15] In summer 2011, jj collaborated with the American R&B singer Ne-Yo and released the song "We Can't Stop" as part of the Adult Swim Singles Program 2011.
[16] Later in 2011, they were involved in another collaboration with American rapper Don Trip to make the song "Cheers (jj's Save Our Souls Remix)" for the magazine The Fader.