Dirkschneider made a guest appearance on Eurovision Song Contest winner Lordi's 2006 album, The Arockalypse.
Mr Lordi claims both "Don't Look Back" and "Blitz of Lightning" by U.D.O. as songs that changed his life in a Kerrang!
magazine article.
He also makes a guest appearance in the music video for the song "Shtil" by Russian heavy metal band Aria.

Dirkschneider recorded lead vocals with heavy metal band Raven on their cover of "Born to Be Wild" on a 1983 single release.
The song also appeared as B-side on "Break the Chain" from their album All for One.
Dirkschneider is also famous for his duet rock ballad with Doro Pesch, "Dancing with an Angel".
During Wacken Open Air 2008, he performed "They Only Come Out at Night" live with Lordi.

Dirkschneider's son, Sven, currently plays in the band Damaged, who supported U.D.O. on a date in Germany in November 2011.
In 2015, he became a permanent member of his father's band.
Dirkschneider made a guest appearance on Eurovision Song Contest winner Lordi's 2006 album, The Arockalypse. Mr Lordi claims both "Don't Look Back" and "Blitz of Lightning" by U.D.O. as songs that changed his life in a Kerrang! magazine article. He also makes a guest appearance in the music video for the song "Shtil" by Russian heavy metal band Aria.
Dirkschneider recorded lead vocals with heavy metal band Raven on their cover of "Born to Be Wild" on a 1983 single release. The song also appeared as B-side on "Break the Chain" from their album All for One. Dirkschneider is also famous for his duet rock ballad with Doro Pesch, "Dancing with an Angel". During Wacken Open Air 2008, he performed "They Only Come Out at Night" live with Lordi.
Dirkschneider's son, Sven, currently plays in the band Damaged, who supported U.D.O. on a date in Germany in November 2011. In 2015, he became a permanent member of his father's band.
Udo Dirkschneider