2 0 ▁years , ▁helping ▁supp lement ▁the ▁Los ▁Angeles ▁Phil harm onic ▁during ▁the ▁▁ 1 8 1 2 ▁O vert ure '' ▁finale . ▁ ▁People ▁ ▁Direct ors ▁J . ▁Paul ▁Elli ott ▁( 1 9 1 4 – ?) ▁Harold ▁Roberts ▁( 1 9 2 6 – 1 9 3 6 ) ▁Clar ence ▁Sa wh ill ▁( 1 9 4 7 – 1 9 5 2 ) ▁William ▁A . ▁Sch ae fer ▁( 1 9 5 2 – 1 9 5 8 ) ▁Gary ▁Gar ner ▁( 1 9 5 8 – 1 9 6 3 ) ▁Ron ald ▁Broad well ▁( 1 9 6 3 – 1 9 7 0 ) ▁Arthur ▁C . ▁Bart ner ▁( 1 9 7 0 – present , ▁[ p ending ▁announced ▁ret irement ▁on ▁ 1 ▁January ▁ 2 0 2 1 ]) ▁ ▁Notable ▁members ▁Erik ▁A ad ahl ▁Her b ▁Al pert ▁Michael ▁Aus iel lo ▁Charlie ▁B ish ar at ▁Harry ▁Black stone , ▁Jr . ▁Ken ▁D ye ▁Larry ▁Harm on ▁Dam on ▁In tra b art olo ▁Jess y ▁J ▁Kevin ▁N orton , ▁of ▁The ▁Brian ▁Set zer ▁Orchestra ▁Richard ▁M . ▁Sh erman ▁Er nie ▁Smith ▁Tommy ▁Walker ▁Mark ▁Wat ters ▁ ▁See ▁also ▁ ▁" F ight ▁On " ▁ ▁" T ribute ▁to ▁T roy " ▁ ▁References ▁ ▁S ources ▁ 2 0 1 9 ▁Press ▁Pack ▁About ▁US C : ▁The ▁von ▁Klein S mid ▁Era ▁( via