[3][4] Alexander fronted "Prince Charles and the City Beat Band"[5] as the lead singer and multi-instrumentalist, with a focus on the wind synthesizer called the "Lyricon" in recordings and in live performances.

[6] Alexander disbanded his funk group in the mid-1980s and began focusing on audio engineering.

After the switch, he became a multi-platinum recording engineer, mixing engineer and producer for clients that include Mary J. Blige, Puff Daddy, Usher, Boyz II Men, Jodeci, X-Clan, Brandy, Babyface, Sting and Aretha Franklin.

[8] Alexander earned more than 40 Platinum and Gold certifications from the RIAA[2] and won a Grammy for Best Contemporary Soul Gospel Album in 2003.

[13] He has lectured at the City College of New York in Manhattan, the University of Oslo in Oslo, Norway,[14] and the Cape Town Academy at Stellenbosch University in Cape Town, South Africa.