a 3D movie equipment manufacturer. Shamrock Holdings bought a 5.5% stake in Texas Industries in 2008. Shamrock revealed in December 2008 that it held a 5.7% share of Arris Group. In October 2009, SH won a shareholders proxy fight at Texas Industries, of which SH owns 10%, over management performance. The corporation took a stake in West Pharmaceutical Service by December 2009. Other holdings in 2009 were Coinstar, Websense, and Magellan Health Services. Roy E. Disney died on December 16, 2009. In October 2018, Shamrock Capital acquired the songwriting catalogue of music producers Stargate. Sony/ATV Music Publishing will continue to administer the catalogue. Shamrock's music catalogue includes the catalogue of dance label Om Records, and the Bass Brothers' production royalties for Eminem. On February 12, 2019, Shamrock sold its assets on INgrooves to Universal Music Group. In June 2020, Shamrock acquired the advertising trade publication Adweek from Canadian private equity firm Beringer Capital. In November 2020, Shamrock acquired ownership of the master recordings of Taylor Swift's first six studio albums from Big Machine Records (2006–2017), which is owned by media manager Scooter Braun's Ithaca Ventures. Shamrock Broadcasting Shamrock Broadcasting was a broadcasting station operating company owned by Shamrock Holdings and Trefoil Capital Investors. Shamrock Broadcasting was incorporated on July 3, 1979. Shamrock Broadcasting (SB) agreed to purchase Malrite Communications Group radio operations in March 1993 via a stock swap worth more than $300 million pushing SB's ownership to 21 radio stations. Trefoil Capital Investors was the primary financier of the deal. In July, Shamrock Broadcasting purchased KZLA radio station. In August, the Malrite radio deal was closed making the Malrite owner a minority shareholder and board director of Shamrock Holding. In March 1995, Shamrock Broadcasting purchased from Premiere Radio Networks its Denver FM radio station for $5.5 million. In August 1995, Shamrock agreed to sell Shamrock Broadcasting, a 19 radio stations group, to Chancellor Broadcasting Co. for $395 million. Trefoil Investors Trefoil Capital Investors (TCI) is a partnership formed by Shamrock Holdings with the raising of $450 million from investors by July 1990 that looked to invest in distressed companies. TCI agreed to purchase Child World in July 1990 in a two-stage process, by taking on some of its parent company CNC Holding Corp.'s debt, then purchase the 18% shares outstanding on the public market. Conditions that had to be met for the deal to go through were raising $250