On January 23, 2010, Jay-Z released a track, "", with , and 's and , as well as performing it at the telethon. In June 2010, Eminem and Jay-Z announced they would perform together in a pair of concerts in Detroit and New York. The event was dubbed . The first two concerts rapidly sold out, prompting the scheduling of an additional show at each venue. Jay-Z was the supporting act for on the Australian and New Zealand leg of their , beginning in , New Zealand, in November 2010, followed by Melbourne, Sydney, and in December. Jay-Z also appeared on stage during U2 performances of "", and in Auckland also on a five-track EP entitled . Although, it was later revealed by West that the project had become a full-length LP. Recording sessions for the album took place at various recording locations and began in November 2010. The first single released for the project was "". The track was co-produced by and West himself. The track ended up being on the deluxe edition of the album. The follow-up to that was the second single "", which premiered on 's radio show, and was later released to the eleven days later. The song's existence, along with several other tracks from the album, was confirmed during a listening session hosted by Jay-Z. The album was first released on the iTunes Store, five days prior to it being released in physical format, a strategy Jay-Z later said was used to block an . It debuted at No. 1 on the iTunes Store in 23 countries. It also broke 's record for most albums sold in one week on the online retailer, selling 290,000 copies on iTunes alone. It held that record, until 's was released twenty-one days later, selling only 10,000 copies more. It debuted on the US chart at No. 1, selling 436,000 copies in its first week. The album received generally positive reviews. Jay-Z and West later gave a surprise performance of "Otis" at the . In April 2011, Jay-Z launched a blog-like, lifestyle website by the name of Life + Times. It covers everything from music, to fashion, to technology, to sports. The site is curated based on Jay-Z's interests, and he himself works with a small staff to produce every single piece of content.. Beyoncé's interest in music and performing continued after winning a school talent show at age Beyonce was heavily influenced Beyoncé and Jay-Z . Jay-Z claims in his lyrics that in 1982 at age 12, Empire State of Mind: How Jay-Z Went from Street Corner to Corner Office. New York: .