▁that ▁he ▁was ▁being ▁taken ▁for ▁granted , ▁caused ▁Tom ▁to ▁leave ▁the ▁group ▁in ▁January ▁ 1 9 7 1 . ▁The ▁two ▁other ▁group ▁members , ▁bass ist ▁Cook ▁and ▁drum mer ▁Cl iff ord , ▁wanted ▁a ▁greater ▁role ▁in ▁the ▁band ' s ▁future . ▁F og ert y , ▁in ▁an ▁attempt ▁to ▁keep ▁things ▁together , ▁ins isted ▁Cook ▁and ▁Cl iff ord ▁share ▁equal ▁song writing ▁and ▁vocal ▁time ▁on ▁what ▁became ▁the ▁band ' s ▁final ▁album , ▁M ardi ▁Gr as , ▁released ▁in ▁April ▁ 1 9 7 2 , ▁which ▁included ▁the ▁band ' s ▁last ▁two ▁singles , ▁the ▁ 1 9 7 1 ▁hit ▁" S weet ▁H itch - H iker ", ▁and ▁" S omed ay ▁Never ▁Com es ", ▁which ▁bare ly ▁made ▁it ▁into ▁the ▁Billboard ▁Top ▁ 2 0 . ▁ ▁Cook ▁and ▁Cl iff ord ▁told ▁F og ert y ▁that ▁the ▁fans ▁would ▁not ▁accept ▁M ardi ▁Gr as ▁as ▁a ▁C CR ▁LP , ▁but ▁F og ert y ▁told ▁them , ▁" My ▁voice ▁is ▁a ▁unique ▁instrument , ▁and ▁I ▁will ▁not ▁l end ▁it ▁to ▁your ▁songs ." ▁F og ert y ▁gave ▁them ▁an ▁ult imat um : ▁either ▁they ▁would ▁do ▁it ▁or ▁ ▁F og ert y ▁would ▁quit ▁immediately . ▁They ▁accepted ▁F og ert y ' s ▁ult imat um . ▁The ▁album ▁received ▁poor ▁reviews , ▁but ▁was ▁a ▁commercial ▁success , ▁pe