Born as Barry Adrian Reese, Cassidy is an American rapper and recording artist who originated from the land of Philadelphia, Pennsylvania. His net worth is estimated at $7.5 million.

After signing a contract with the Full Surface, Cassidy released his debut single “Hotel” which featured R. Kelly. The single made it to Billboard Hot 100’s top ten. Subsequently, he released his second single titled "Get No Better", which featured Mashonda. It was march 2004, when Split Personality, his first studio album, was released. The album made a certified gold record a month after it was released.

A year later, his singles "I'm A Hustla" and "B-Boy Stance” featuring Swizz Beatz were also released. On the same year, his second album I'm A Hustla, was released. The album reached the fifth top spot on U.S. Billboard 200. A week after the album was released, it made a total sales record of 93,000 copies.

Shortly, his third album titled B.A.R.S. The Barry Adrian Reese Story which contain the song “My Drink n My 2 Step" featuring Swizz Beatz was also released. The album sold a total of 63,000 copies on its first week and it also reached #10 rank on Billboard 200 on its debut week.