Its called "The All Together" and stars Martin Freeman.
The Plot is-
The film follows a day in the life of a deeply unsatisfied TV producer and his free-loading Bosnian flatmate as they struggle to extricate themselves from an accidental hostage situation involving four estate agents, two Jehovah's Witnesses, an odious TV presenter, a children's entertainer, an incontinent American gangster and his incompetent British sidekick.
The films soundtrack is made up of rare Northern Soul tracks including;
Tommy Neal - Going To A Happening
Doris Troy - I'd Do Anything
Johnny De'vigne - I Smell Trouble
Ronnie & Robyn - Sidra's Theme
The Channels - Anything You Do
Doni Burdick - Open The Door To Your Heart
Steve Karmen - Breakaway
The Sapphires - Gotta Have Your Love
The Yum Yums - Gonna Be A Big Thing
Hope this helps Dave