Mar 31, 2009 — 6:17:01 AM
"And... how do they work? Does someone literally press a button at the start of a song and hopefully it will be on beat with the live orchestrations? " Practically every show in London has a click track....in answer to the above question - a clicking sound is played on every beat of the bars of the song through all different time signatures etc....The music is then recorded with the click in a studio and processed. During a performance the MD (and sometimes drummers) wears a set of headphones...