s ▁piano ▁and ▁vocals ▁factor ▁heavily ▁into ▁the ▁band ' s ▁performance ▁of ▁classic ▁Dead ▁t unes ▁" Jack ▁St raw " ▁and ▁" S ug are e " ▁( which ▁features ▁Horn s by ▁on ▁lead ▁vocal , ▁in ▁Jerry ▁Gar cia ' s ▁absence ), ▁and ▁Horn s by - original s ▁" White - W he e led ▁Lim ous ine " ▁and ▁" R ain bow ' s ▁Cad illa c " ▁receive ▁re work ings ▁in ▁the ▁hands ▁of ▁The ▁Other ▁On es . ▁ ▁Three ▁years ▁after ▁Hot ▁House , ▁Horn s by ▁released ▁a ▁double ▁album , ▁Spirit ▁Tra il . ▁Fe aturing ▁a ▁decided ly ▁go of y ▁picture ▁of ▁his ▁uncle ▁on ▁the ▁cover , ▁the ▁collection ▁bl ended ▁instrument al ▁tracks ▁with ▁the ▁story - t elling , ▁rock , ▁jazz , ▁and ▁other ▁musical ▁forms ▁Horn s by ▁had ▁del ved ▁into ▁over ▁his ▁career . ▁The ▁album ▁considered ▁" very ▁Southern " ▁them es ▁with ▁" song s ▁about ▁race , ▁religion , ▁judgment ▁and ▁toler ance " ▁and ▁" stru gg les ▁with ▁these ▁issues ". ▁An ▁example ▁is ▁" S ne aking ▁Up ▁on ▁Bo o ▁Rad ley ", ▁which ▁referenced ▁the ▁character ▁from ▁Har per ▁Lee ' s ▁Pul itzer ▁Prize - win ning ▁novel ▁To ▁Kill ▁a ▁Mock ing bird . ▁ ▁Through out ▁the ▁sequence ▁of ▁Har bor ▁L ights , ▁Hot ▁House , ▁and ▁Spirit ▁Tra il , ▁Horn s by ' s ▁piano ▁playing