Complex sentence: The group's leader Yongguk has previously made comments on the influence that African-American musicians have had on him, citing 50 Cent, P. Diddy, Pharrell and other rappers as musical influences.
Split into simpler sentences: The group's leader Yongguk has previously made comments on the influence that African-American musicians have had on him. Yongguk cites 50 Cent, P. Diddy, Pharrell and other rappers as musical influences.