The Chemical Brothers have discussed their imminent return to the stage, promising an “emotional” experience after 18 months of being starved of live music.The duo will headline this month’s Latitude Festival, which was recently confirmed to go ahead as part of the government’s Events Research Programme (ERP), alongside Bastille, Bombay Bicycle Club and Wolf Alice.Latitude is scheduled to take place at Henham Park in Suffolk from July 22-25 – three days after the government expects to do away