He says this album will be an "authentic 70s disco-pop record." Mc Cartney appeared with The Who's Roger Daltrey in A Christmas Carol at Madison Square Garden.
Mc Cartney also is known for lending his voice as Theodore in Alvin and the Chipmunks and its sequels, as well as voicing Robin/Nightwing in Young Justice and Roxas and Ventus in the video game series Kingdom Hearts developed by Square Enix.
He began performing in local community musicals at the age of seven, before joining the national tour of The King and I at age ten along with Phil of the Future star Ricky Ullman. In 1998, he sang with the group Sugar Beats and can be heard on their 1998, 1999, and 2000 CD releases.
He later joined boy band Dream Street, and eventually branched out into a solo musical career.
Additionally, Mc Cartney has appeared on shows such as Law & Order: SVU, Summerland, and Greek.
The re-release also features a remix of "How Do You Sleep? The third single from the album was released from the re-release and was the remix of "How Do You Sleep? It was much more successful than the second single, reaching #26 on the Hot 100, The fourth and final single from the album was also released from the re-release and was a new version of "Body Language" featuring T-Pain. The lead single from his fourth studio album Have It All, "Shake", was sent to radio on September 8, 2010 and was released digitally on September 21, 2010. On October 18, 2010, it was announced that Have It All would be released in January 2011.