▁ 1 9 7 9 , ▁noted ▁that ▁they ▁had ▁made ▁ 6 0 ▁records ▁and ▁played ▁in ▁ 2 7 0 ▁cities ▁in ▁ 2 8 ▁countries ▁during ▁the ▁ 2 5 ▁years ▁they ▁spent ▁together ▁in ▁the ▁quart et . ▁ ▁After ▁ret iring ▁and ▁moving ▁to ▁Maine , ▁S op kin ▁became ▁involved ▁with ▁the ▁annual ▁school ▁and ▁chamber ▁music ▁festival ▁at ▁K ne is el ▁Hall , ▁joining ▁the ▁school ' s ▁staff ▁in ▁ 1 9 9 5 . ▁He ▁advoc ated ▁for ▁the ▁addition ▁of ▁sessions ▁for ▁adult ▁and ▁amateur ▁mus icians . ▁He ▁pushed ▁for ▁the ▁creation ▁of ▁the ▁annual ▁House ▁concert s , ▁which ▁have ▁provided ▁a ▁major ▁source ▁of ▁additional ▁re venue ▁for ▁the ▁school . ▁S op kin ' s ▁efforts ▁led ▁to ▁bringing ▁students ▁to ▁Maine ▁early ▁so ▁that ▁they ▁could ▁perform ▁in ▁area ▁schools ▁before ▁the ▁summer ▁programs ▁began . ▁ ▁S op kin ▁was ▁married ▁to ▁Carol ▁Bor ch ard ▁S op kin , ▁also ▁a ▁cell ist ▁and ▁the ▁daughter ▁of ▁Ed win ▁Bor ch ard ▁and ▁Cor in ne ▁Bor ch ard . ▁ ▁S op kin ▁died ▁at ▁age ▁ 9 4 ▁on ▁October ▁ 2 8 , ▁ 2 0 0 8 , ▁at ▁his ▁home ▁in ▁Sur ry , ▁Maine . ▁ ▁References ▁ ▁Category : 1 9 1 4 ▁birth s ▁Category : 2 0 0 8 ▁death s ▁Category : American ▁classical ▁cell ists ▁Category : Mus icians ▁from ▁Chicago ▁Category : Pe