Which musician is American, Roy Khan or Lou Gramm?
Roy Khan Roy Sætre Khantatat (born March 12, 1970), is a Norwegian singer-songwriter. Commonly known as Roy Khan or simply Khan, he was the lead vocalist for the symphonic power metal band Kamelot from 1997 to his departure in 2011. He co-wrote most of Kamelot's songs with the band's guitarist and founder Thomas Youngblood during his tenure. Prior to joining Kamelot, Khan was lead singer for the Norwegian progressive metal band Conception from 1991 until 1997 when they disbanded.
Len Barry Len Barry (born Leonard Borisoff on June 12, 1942 in West Philadelphia) is a Grammy nominated American vocalist, songwriter, and record producer.