sentences: "Collaborative efforts between Brandy Norwood and her brother, fellow R&B singer Ray J, had been in talks since 2005, when Brandy was firstly signed to Ray J's record company Knockout Entertainment.It was announced that the siblings along with rapper Shorty Mack and other performers, would form a supergroup called "TKO (Tha Knock Out)" and release a debut album of the same name in 2006.