▁in ▁ 1 9 9 1 , ▁Horn s by ▁dis band ed ▁the ▁out fit ▁to ▁enter ▁a ▁new ▁phase ▁of ▁his ▁career . ▁Dr um mer ▁John ▁M olo ▁continued ▁to ▁perform ▁regularly ▁with ▁Horn s by ▁for ▁another ▁few ▁years , ▁although ▁other ▁members ▁purs ued ▁separate ▁musical ▁endeav ors . ▁ ▁Following ▁Horn s by ' s ▁and ▁M olo ' s ▁invol vement ▁with ▁The ▁Other ▁On es , ▁M olo ▁left ▁Horn s by ▁to ▁become ▁the ▁primary ▁drum mer ▁with ▁bass ▁guitar ist ▁Phil ▁Les h ▁and ▁Fri ends . ▁ ▁Gr ateful ▁Dead ▁Horn s by ▁played ▁more ▁than ▁ 1 0 0 ▁shows ▁with ▁the ▁Gr ateful ▁Dead ▁from ▁ 1 9 8 8 ▁until ▁Jerry ▁Gar cia ' s ▁death ▁in ▁ 1 9 9 5 . ▁At ▁some ▁shows ▁in ▁ 1 9 8 8 ▁and ▁ 1 9 8 9 , ▁he ▁joined ▁the ▁band ▁as ▁a ▁special ▁guest ▁and ▁played ▁accord ion ▁or ▁synth es izer . ▁Starting ▁in ▁the ▁fall ▁of ▁ 1 9 9 0 , ▁he ▁played ▁piano ▁( and ▁frequently ▁accord ion ) ▁at ▁many ▁gig s ▁following ▁the ▁death ▁of ▁Gr ateful ▁Dead ▁keyboard ist ▁Br ent ▁My d land , ▁who ▁died ▁in ▁July ▁ 1 9 9 0 . ▁My d land ' s ▁place ▁was ▁filled ▁in ▁September ▁ 1 9 9 0 ▁by ▁V ince ▁W eln ick , ▁who ▁became ▁the ▁sole ▁keyboard ist ▁by ▁March ▁ 1 9 9