▁on ▁ 1 8 ▁October ▁ 1 9 6 8 ▁at ▁the ▁shooting ▁ranges ▁in ▁Mexico ▁City . ▁ 6 9 ▁shoot ers ▁from ▁ 4 2 ▁nations ▁competed . ▁ ▁Results ▁ ▁References ▁ ▁Category : S ho oting ▁at ▁the ▁ 1 9 6 8 ▁Summer ▁Olympics <0x0A> </s> ▁W az oo ▁is ▁a ▁live ▁album ▁by ▁Frank ▁Z appa , ▁post hum ously ▁released ▁in ▁October ▁ 2 0 0 7 ▁as ▁a ▁ 2 - CD ▁set ▁consisting ▁of ▁the ▁complete ▁concert ▁given ▁by ▁" The ▁M oth ers ▁of ▁In vention / Hot ▁R ats / Gr and ▁W az oo " ▁ 2 0 - pie ce ▁big ▁band ▁on ▁September ▁ 2 4 , ▁ 1 9 7 2 ▁at ▁the ▁Music ▁Hall , ▁Boston , ▁Massachusetts , ▁United ▁States . ▁It ▁is ▁the ▁third ▁install ment ▁on ▁the ▁Va ul tern ative ▁Records ▁label ▁that ▁is ▁dedicated ▁to ▁the ▁post hum ous ▁release ▁of ▁complete ▁Z appa ▁concert s , ▁following ▁the ▁releases ▁of ▁F Z : O Z ▁( 2 0 0 2 ) ▁and ▁Buff alo ▁( 2 0 0 7 ). ▁ ▁Over view ▁It ▁is ▁the ▁last ▁concert ▁of ▁a ▁brief ▁series ▁of ▁shows ▁that ▁marked ▁Z appa ' s ▁return ▁to ▁the ▁stage ▁after ▁his ▁forced ▁temporary ▁ret irement ▁from ▁the ▁tour ing ▁scene ▁due ▁to ▁the ▁inj uries ▁he ▁suffered ▁from ▁an ▁assault ▁during ▁a ▁concert ▁at ▁the ▁Rain bow ▁Theatre ▁in ▁London ▁on ▁December ▁ 1 0 ,