Question: Which debut album has sold over half a million copies in the United States and is by an American alternative rock band that released its first digital debut EP on May 2010 of a different album?

Kid Rock has released 10 studio albums, one compilation album, two extended plays and one live album.  His debut album, "Grits Sandwiches for Breakfast", was released by Jive Records in 1990.  Following its release, Kid Rock was dropped by Jive and became an independent artist.  In 1992, he signed to a small Brooklyn based imprint called Continuum.  He was released from Continuum after two years and started his own Top Dog record label.  In 1997, he was signed to Atlantic Records.  He released his mainstream debut album, "Devil Without a Cause", on August 18, 1998.  The album would be certified diamond by the RIAA and go on to sell 11 million copies in the United States.  In 2000, he released "The History of Rock", a compilation of tracks from 1993's "The Polyfuze Method" and 1996's "Early Mornin Stoned Pimp".  "Cocky" was released in 2001 as the official follow up to "Devil Without a Cause" and sold five million copies.  That was followed by 2003's "Kid Rock" and 2006's "Live Trucker".  "Live Trucker" was Kid Rock's first live release selling over 600,000 copies, making it a gold album.  In 2007, Kid Rock made his comeback with "Rock n Roll Jesus", which was certified triple platinum.  "Born Free" was released in 2010 and went platinum.  Rebel Soul went gold in April 2013.  He has sold 25 million albums in the US as of December 2013, and over 35 million worldwide.  He released "First Kiss" in 2015, has of January 2016 it has sold 356,000 copies.  "Devil" still proved a strong catalog seller in 2015 selling over 100,000 copies. <SEP> Out of Time is the seventh studio album by American alternative rock band R.E.M., released on March 12, 1991 by Warner Bros.  Records.  With "Out of Time", R.E.M.'s status grew from that of a cult band to a massive international act.  The record topped the album sales charts in both the U.S. and the United Kingdom, spending 109 weeks on American album charts and enjoying two separate spells at the summit, and spending 183 weeks on the British charts and a single week at the top.  The album has sold over four and a half million copies in the U.S. and over 18 million copies worldwide.  The album won three Grammy Awards in 1992: one as Best Alternative Music Album, and two for the first single, "Losing My Religion." <SEP>  It was released digitally by Red Bull Records on May 18, 2010 for iTunes. " Sail", "Burn It Down" and "Guilty Filthy Soul" appear on "Megalithic Symphony", the band's debut album. Back from Earth is the debut EP by American alternative rock band Awolnation.  The EP also features a dubstep remix for "Burn It Down" by Innerpartysystem, which appears on the deluxe version of the album along with "MF". <SEP> Megalithic Symphony is the debut studio album by American alternative rock band Awolnation, released on March 15, 2011 through Red Bull Records.  The album is the band's first full-length release, following the release of the extended play "Back from Earth" (2010).  "Megalithic Symphony" has since peaked at number 84 on the United States "Billboard" 200 and at number 57 on the Austrian Albums Chart.  As of March 2015, the album sold 581,000 copies in the United States.