Charles Simmons has been played on NTS in shows including Assorted Sounds w/ Zac Jackson , featured first on 3 August 2015. Songs played include (We Want To) Rock You (Extended Surprise Version).

In addition to being a gifted singer, Charles is also a skillful multi-instumentalist, having taught himself to play the piano, drums, guitar, bass, and various percussion instruments at an early age. His musical background and experience have been put to good use, allowing Charles to score a number of successful commercial CD releases. As a member of the pop project The Free (Dance Pool / Sony Music Germany), together with Felix Gauder (producer of such acts as Blue Lagoon, Novaspace, Tom Novy, Das Modul, Sonique, and many more), Charles has had 5 singles in the German Singles Charts, the last being the 1997 smash radio hit "Loveletter From Space", which also went Top 5 in the Scandinavian Pop Charts. Charles is also a sought after studio singer, and has been featured on a number of other top CD releases, as well as in numerous TV commercial jingles, most notably for Langnese's "Magic Of Home" campaign for their Cremissimo and Vienetta ice cream brands.

Charles' talent as a singer is widely recognized in the music industry. He has performed with many U.S. and European top artists and producers, including Mary J. Blige, Shaggy, Stefan Raab, Xavier Naidoo, Steve Lukather and Simon Philips of Toto, Sasha (aka Dick Brave), Brian McKnight,The Weather Girls, Crystal Waters, Sonique and the Backstreet Boys. Since 2002 Charles has been working closely with 3p recording artists Sabrina Setlur, Glashaus, and Moses Pelham.