Empty Orchestra start singing. The music was pumped up and we had a mini party, with mad dancing – that was a memorable scene to film." The filming introduced a number of technical challenges, with the producer Adam Tandy explaining that the simultaneous singing and conversing made production particularly difficult: "To record it all 'clean' and have options in the edit, that was technically hard on everybody." Typically, karaoke scenes in television will see characters sing only the opening lines, but because of the format of "Inside No. 9", the characters in "Empty Orchestra" sing the whole song. Each character sang a
Empty triangle Empty triangle In the game of Go, the empty triangle is the most fundamental example of the concept of bad shape. Three stones of one color form an empty triangle when they are placed in a triangle arrangement that fits in a 2×2 square, and when one intersection is left empty. If the triangle is "filled" by a stone of the opponent's at the fourth point of the 2×2, the shape is neutral – not necessarily good or bad. The deficiencies of the empty triangle are twofold. Three stones in a straight line have eight liberties, while in an empty