Question: Who has been a solo music artist Chad Kroeger or Justin Timberlake?
Sentence (from "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.
Relevant evidence: Yes