Russian Roulette is the which number studio album by German heavy metal band Accept, released in 1986, it would be the last Accept album to feature Udo Dirkschneider as lead vocalist, Dirkschneider is a German heavy metal singer?
Udo Dirkschneider Udo Dirkschneider (born 6 April 1952) is a German heavy metal singer who rose to fame with German heavy metal band Accept. After leaving Accept in 1987, he formed U.D.O., with whom he has enjoyed commercial success as well.
Michael Kiske Michael Kiske (born January 24, 1968) is a German singer best known as the lead vocalist for the German power metal band Helloween. After his departure from the band, Kiske recorded four solo albums, participated on various metal and rock related projects, such as Avantasia, Place Vendome and Kiske/Somerville, while he also performed with numerous bands as a guest vocalist. In late 2009, he formed the hard rock / heavy metal band Unisonic and began touring again after 17 years of absence. On November 14, 2016 it was officially announced that Kiske will tour again with Helloween and Kai Hansen in 2017 and 2018.