Question: Which English Rock band was announced as a headliner at T in the Park 2012?

Related documents: [0]  [DOC] The Stone Roses are an English rock band formed in Manchester in 1983. They were one of the pioneering groups of the Madchester movement that was active during the late 1980s and early 1990s. The band's most prominent lineup consists of vocalist Ian Brown, guitarist John Squire, bassist Mani, and drummer Reni. [END] 
[1]  [DOC] T in the Park 2012 was a three-day music festival which took place from 6–8 July 2012 in Balado, Kinross. The Stone Roses were announced as the first headline act on 8 November 2011, appearing on Saturday 7 July 2012. Snow Patrol and Kasabian were later confirmed to also be headlining on Friday 6 July and Sunday 8 July respectively. This year marks the first time all three days of the festival will have an equal capacity, after councillors granted a request to raise Friday's capacity by 10,000. This approval brings Friday in line with the festivals 85,000 capacity previously restricted to Saturday and Sunday. [END]  
Answer: The Stone Roses
The Stone Roses