Alex Moore, Quartet Coach Expand Alex Moore sings bass with current BABS Quartet Champions, Sound Hypothesis. He has a long history of working with vocal ensembles at the highest level. From 2014-2016 he was the musical director of the Techtonics, 2016 winners of the ICCA (International Championships of Collegiate A Cappella). Alex lives in Bristol where he works as a physics teacher at Clifton College. The fusion of physics and music has long been a passion and Alex has given several lectures on the subject at LABBS and BABS Harmony College. In his coaching, Alex helps quartets find their authentic sound, which he believes is one of the most valuable things that a group can offer their audience.