▁Henry ▁Man c ini ' s ▁television ▁series ▁The ▁Man c ini ▁Generation . ▁In ▁ 1 9 7 5 , ▁he ▁graduated ▁from ▁Indiana ▁University . ▁ ▁He ▁went ▁on ▁to ▁tour ▁with ▁the ▁Mont y ▁Alexander ▁T rio ▁and ▁the ▁Count ▁Bas ie ▁Orchestra ▁before ▁taking ▁the ▁position ▁of ▁principal ▁bass ▁in ▁the ▁Amsterdam ▁Phil harm onic ▁Orchestra ▁in ▁Amsterdam , ▁Netherlands . ▁After ▁five ▁years ▁he ▁returned ▁to ▁the ▁U . S . ▁for ▁break ▁from ▁the ▁classical ▁genre ▁and ▁founded ▁the ▁Clay ton - H amilton ▁Jazz ▁Orchestra ▁with ▁his ▁brother , ▁sa x oph on ist ▁Jeff ▁Clay ton , ▁and ▁drum mer ▁Jeff ▁Hamilton . ▁He ▁also ▁performed ▁in ▁a ▁du o ▁as ▁the ▁Clay ton ▁Brothers ▁with ▁mus icians ▁such ▁as ▁Bill ▁C un l iffe ▁and ▁Ter ell ▁Staff ord . ▁ ▁He ▁has ▁been ▁Art istic ▁Director ▁for ▁the ▁Lion el ▁Ham pton ▁Jazz ▁Festival , ▁Sar as ota ▁Jazz ▁Festival , ▁Santa ▁Fe ▁Jazz ▁Party , ▁Jazz ▁Port ▁Town send ▁Summer ▁Work shop , ▁Jazz ▁at ▁Cent rum ▁and ▁V ail ▁Jazz ▁Work shop . ▁From ▁ 1 9 9 9 ▁to ▁ 2 0 0 1 ▁was ▁Art istic ▁Director ▁of ▁Jazz ▁for ▁the ▁Los ▁Angeles ▁Phil harm onic ▁program ▁at ▁the ▁Hollywood ▁Bowl . ▁He ▁conducted ▁the ▁All - Al aska ▁Jazz ▁Band . ▁He ▁has ▁taught ▁at ▁the ▁University ▁of ▁Southern ▁California ▁Thor nt on ▁School ▁of ▁Music ▁and ▁has ▁served ▁as ▁president ▁of ▁the ▁International ▁Society ▁of ▁Bass ists