 It was said by <unk> and <unk> <unk> that <unk> sang the " <unk> of <unk> " in stage costume while the city burned . Popular legend claims that <unk> played the <unk> at the time of the fire , an anachronism based merely on the concept of the <unk> , a <unk> instrument associated with <unk> and his performances . ( The <unk> was not invented until the 10th century . ) <unk> 's account , however , has <unk> in <unk> at the time of the fire . <unk> also said that <unk> playing his <unk> and singing while the city burned was only rumor . 
