Disney Sing It: Family Hits is a karaoke video game and sequel to Disney Sing It, Disney Sing It! – High School Musical 3: Senior Year and Disney Sing It: Pop Hits. It was released on August 3, 2010 (US) and October 8, 2010 (EU). The game has the same features included that are found in Disney Sing It: Party Hits, with the difference being that it has different themes to match the song on the disc and a slight variation of the Pro Mode, which is also found in Party Hits and Pop Hits.
Source: Wikipedia, "Disney Sing It: Family Hits", available under the CC-BY-SA License.