[1][2] With his trademark boaters, cricket sweaters, bow ties, color-blocked tuxedos, and 24-carat-gold microphone, Cassidy became known for his work at celebrity functions, including the 2008 wedding of Beyoncé and Jay-Z, the 2009 inauguration of President Barack Obama, President Obama's 50th birthday party, and the 2024 Democratic National Convention roll call.

[5] At the time of Cassidy's birth, Jonny Podell was a booking agent for Norby Walters Associates;[6] he became head of music at ICM in 1996.

[8][9] Cassidy was discovered by Sean Combs while working the 10–4 night shift at a GQ party in the basement of Lotus, a club in Manhattan.

[3] Known for wearing boaters, cricket sweaters and tuxedos, often in pink and green,[12] Cassidy worked at parties hosted by Oprah Winfrey and Anna Wintour and at the weddings of Beyoncé, Jennifer Lopez, and Kim Kardashian.

[21] It featured Nile Rodgers on guitar, Verdine White on bass, Philip Bailey on percussion and background vocals, Larry Dunn on keyboards, John "JR" Robinson on drums, and Jerry Hey on horns and strings.

[22] Director X also directed the video for Cassidy's second single, "Make the World Go Round", which was shot on an elevated train in Chicago.