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
What a Beautiful Name to sing and which does not strain the voice with notes that are too high or too low. He also comments that the song is written in the key of D which is "the optimal key for both men and women." "What a Beautiful Name" had its worldwide digital release on 6 January 2017, and topped Billboard's Hot Christian Songs chart on 25 February. The single has held the top position for 38 weeks making it the second-longest-leading No. 1 in the 14-year history of the Hot Christian chart. The song which claims the distinction as the longest-leading No. 1