9 : ▁Z ac ▁Brown ▁Band , ▁Car ly ▁Pear ce , ▁Clay ton ▁Anderson ▁ 2 0 2 0 : ▁Con cert ▁cancel led ▁due ▁to ▁coron av irus ▁pan demic ▁( sch eduled ▁to ▁be ▁Luke ▁Bry an ▁and ▁Morgan ▁W allen ) ▁July ▁ 4 ▁concert s ▁ 2 0 1 5 : ▁The ▁Rol ling ▁St ones ▁( Zip ▁Code ▁Tour ), ▁Ras cal ▁Fl att s ▁Big ▁Machine ▁ 4 0 0 ▁concert s ▁ 2 0 1 7 : ▁ ▁The ▁Ch ains m ok ers , ▁Major ▁Laz er ▁ 2 0 1 8 : ▁ ▁Not ▁held ▁( we ather ) ▁ 2 0 1 9 : ▁ ▁Florida ▁Georgia ▁Line ▁ 2 0 2 0 : ▁ ▁Florida ▁Georgia ▁Line , ▁D ust in ▁Lyn ch , ▁R iley ▁Green ▁ ▁Last ▁Row ▁Party ▁ ▁A ▁few ▁days ▁before ▁the ▁race , ▁the ▁" Last ▁Row ▁Party " ▁has ▁been ▁held ▁for ▁char ity ▁since ▁ 1 9 7 2 . ▁It ▁is ▁a ▁scholar ship ▁benefit ▁organized ▁by ▁the ▁Indian apolis ▁Press ▁Club ▁Foundation , ▁and ▁is ▁usually ▁held ▁the ▁Th urs day ▁evening ▁or ▁Friday ▁evening ▁before ▁the ▁race . ▁Currently ▁it ▁is ▁held ▁at ▁one ▁of ▁the ▁su ites ▁in ▁the ▁P ag oda , ▁and ▁previously ▁it ▁was ▁held ▁at ▁the ▁Speed way ▁Mot el . ▁The ▁event ▁is ▁conducted ▁as ▁a ▁ro ast ▁and ▁co ck tail ▁party ▁for ▁the ▁final ▁three ▁qual ifiers ▁in ▁the ▁ 5 0