Jadakiss began embarking on a solo career in 2001 and his debut album, Kiss Tha Game Goodbye, was released in August 2001 on the Ruff Ryders/Interscope label. The album featured popular guests and producers such as DJ Premier, The Alchemist, DMX, Eve, Snoop Dogg , Nas and Swizz Beatz and was commercially successful, going on to be certified gold by the RIAA and selling over 200,000 copies during its first week of release. Despite commercial success, the album received negative reception from critics who criticised the album for being repetitive and uninspired. Jadakiss has acknowledged the criticism as valid, saying the record was done less out of inspiration but rather out of contractual obligations to Bad Boy. The album produced three singles, "We Gonna Make It" featuring Styles P, "Knock Yourself Out" and "Put Ya Hands Up". Jadakiss followed this album with Kiss of Death, released in June 2004. It features guest appearances from Snoop Dogg, Eminem, The Lox, Kanye West, Pharrell Williams, Nate Dogg, DJ Quik and more. His song "Why?", featuring Anthony Hamilton and produced by Havoc of Mobb Deep, became one of the year's biggest hits, spawning a remix featuring Styles P, Common and Nas. "Why?" remains Jadakiss' biggest hit, peaking at #11 on the Billboard Hot 100. The song also garnered controversy for a line in which Jadakiss claims that he believes George W. Bush planned the 9/11 terrorist attacks. Another single from the record, "U Make Me Wanna," featuring Mariah Carey peaked at number 21 on the Billboard Hot 100. The album was both a commercial and critical success, receiving better reviews than his previous album and debuted at number 1 on both the Billboard 200 and the Top R&B/Hip Hop Albums charts. In late 2007, Jadakiss signed to Jay-Z's Roc-A-Fella Records, a move Jay had been trying to arrange for a long time. The move came on the heels of increased D-Block/Roc-a-Fella collaborations; in 2006, Jadakiss and former rival Beanie Sigel collaborated on DJ Khaled's album Listennn... the Album, and in 2007, on Freeway's album Free At Last. Styles P appeared on a radio freestyle with Freeway and Sigel, and also appeared briefly in the video for Jay-Z's American Gangster single "Roc Boys," in which he throws up the famous Roc-a-Fella sign, "the Diamond."