Who has been a solo music artist Chad Kroeger or Justin Timberlake?
Chad Kroeger: Chad Robert Turton (born November 15, 1974), known professionally by his mother's maiden name of Kroeger, is a Canadian musician and producer, best known as the lead vocalist and guitarist for the Canadian rock band Nickelback. Justin Timberlake: Justin Randall Timberlake (born January 31, 1981) is an American singer-songwriter, actor and record producer. Justin Timberlake:  Timberlake began to adopt a more mature image as an artist with the release of his debut solo album, the R&B-focused "Justified" (2002), which yielded the successful singles "Cry Me a River" and "Rock Your Body", and earned his first two Grammy Awards.
Justin Randall Timberlake