traditional event is Springfest, a week-long series of events including food, various on-campus activities, and a concert bringing in such names as Imagine Dragons, Panic! At the Disco, and Ben Rector. In addition to traditional campus events, Student Association provides smaller campus programs including community service activities, social awareness events, and diversity programming. Activities organized by Student Association are free to all TU students. College traditions Kendall Bell: The Kendall Bell, now housed in Bayless Plaza, is traditionally rung by graduating seniors upon completion of their last final exam at the university. The bell was broken by a group of students in May 2008. They were trying to steal it, and dropped it in their escape. Homecoming Bonfire: Traditionally held the Friday evening prior to the Homecoming football game. The Homecoming court is honored along with the Jess Chouteau Top Ten Seniors. Alma mater: "Hail to Tulsa U" is sung by alumni and current students prior to major sporting events and at the end of all commencement ceremonies. Alumni and students remain standing as a sign of respect. The melody is played by the Sharp Chapel carillon daily at 5 pm. Greek life There are six IFC fraternities and six NPC sororities on campus. The living quarters in the back of the sorority houses are university-owned residence halls, but, traditionally, only current members of the sororities live there. Other fraternities on campus that do not fall under the various councils include: Alpha Phi Omega co-ed service fraternity Phi Mu Alpha Sinfonia music fraternity Sigma Alpha Iota music sorority Delta Theta Phi co-ed law fraternity Phi Alpha Delta co-ed law fraternity Phi Delta Phi co-ed law fraternity Sigma Phi Lambda Christian sorority Beta Upsilon Chi Christian fraternity 2015 student speech controversy In February 2015, after the University of Tulsa suspended a student under its zero tolerance policy for harassment for allegedly threatening and defamatory Facebook postings by his fiancée against other faculty and a female student, administrators attempted to discourage the campus newspaper from publishing confidential information because of the non-disclosure agreement the suspended student and university had entered into. The controversy was picked up by several online sites which criticized the administration for using "threats" and "intimidation" to "cover up" their handling of the disciplinary issue. In January 2016, the former student filed a lawsuit against the university, claiming his dismissal was unfair and was a breach of the institution's