On just the second night of rapper Jay “ Jeezy ” Jenkins new Las Vegas residency, the formative figure in trap music earned an official Guinness World Records title for the largest orchestra in a hip-hop music concert. The residency — named TM:101 Live after his hit album from 2005, Let’s Get It: Thug Motivation 101 — is taking place at PH Live at Planet Hollywood Resort & Casino. At the Nov. 1 show, Guinness World Records adjudicator Andy Glass personally presented Jeezy with an official