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?

Context paragraphs:
Megalithic Symphony: 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.

Back from Earth: Back from Earth is the debut EP by American alternative rock band Awolnation.  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.  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".

Kid Rock discography: 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.

R.E.M. discography: American alternative rock band R.E.M. released 15 studio albums ranging from 1983 to 2011, three live albums, 14 compilation albums, one remix album, one soundtrack album, 12 video albums, seven extended plays, 63 singles, and 77 music videos. Formed in 1980 by singer Michael Stipe, guitarist Peter Buck, bassist Mike Mills, and drummer Bill Berry, the band was pivotal in the development of the alternative rock genre.  Their musical style inspired several other alternative rock bands and musicians, and the band became one of the first alternative rock acts to experience breakthrough commercial success.  R.E.M. has sold over 85 million copies of their studio albums worldwide, making them one of the best-selling music artists of all-time.

Out of Time (album): 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."

The Breeders discography: The discography of American alternative rock band The Breeders consists of four studio albums, one live album, three extended plays, ten singles and twelve music videos. Kim Deal, then-bassist of American alternative rock band the Pixies, formed The Breeders as a side-project with Tanya Donelly, guitarist of American alternative rock band Throwing Muses.  After recording a demo tape, The Breeders signed to the English independent record label 4AD in 1989.  Their debut studio album "Pod" was released in May 1990, but was not commercially successful.  After the revival of the Pixies and Throwing Muses in 1990, The Breeders became mostly inactive until the Pixies' breakup in 1993.  With a new lineup, The Breeders released their "Safari" EP in 1992, followed by their second studio album "Last Splash" in 1993.  "Last Splash" was The Breeders' most successful album; it peaked at number 33 on the United States "Billboard" 200 and was certified platinum by the Recording Industry Association of America in 1994.  The album spawned the band's most successful single, "Cannonball".  The single peaked at number 44 on the US "Billboard" Hot 100 and at number two on the "Billboard" Alternative Songs chart.

Mercedes 5 and Dime: Mercedes 5 and Dime is the third studio album released by the Canadian alternative rock band Moist.  Released in Canada in 1999 and in the United States a year later, it includes the hits "Breathe" and "Underground".  The album was released with different album covers for the Canadian and United States releases.  The United States version has a yellow album cover while the Canadian release's cover is dark blue.  This was Moist's last studio album before their 12-year hiatus began in 2001.

Encore (Eminem album): Encore (stylized as ƎNCORE) is the fifth studio album by American rapper Eminem.  It was released by Aftermath Entertainment, Shady Records, and Interscope Records.  Its release was set for November 16, 2004, but was moved up to November 12 (coincidentally, exactly eight years to the day since his debut album, "Infinite", was released) after the album was leaked to the Internet.  "Encore" sold 710,000 copies in its first three days, and went on to sell over 1.5 million copies in its first two weeks of release in the United States, certified quadruple-platinum that mid-December.  Nine months after its release, worldwide sales of the album stood at 11 million copies.  By December 2016, the album had sold over 5 million copies in the United States and more than 23 million copies worldwide.

Growing Wild: The first EP "Wild" (野 yě) of Growing Wild was sold more than 3 million copies in the 16 days following its release in May 2016.  For comparison: the current No. 1 on the US Billboard chart, Drake's "One Dance," has sold only 1,442,000 copies in twice as long; Beyoncé's Lemonade sold just 974,000 copies in the two weeks after its surprise debut in April 2016.  The selling volume of the "Growing Wild" have exceeded over six million and sold over 30 million yuan on Nov, 27.  Total sales of "Growing Wild" were more than 6.5 million copies, grossing over 32.8 million yuan ($4.73 million) in 2016.  According to Andy Wai Lam Ng, the vice-president of Tencent Music Entertainment Group, Growing Wild achieved China's highest digital music sales since the company released the first Chinese digital album in December 2014.

List of Billboard 200 number-one albums of 2002: The highest-selling albums and EPs in the United States are ranked in the "Billboard" 200, published by "Billboard" magazine.  The data are compiled by Nielsen Soundscan based on each album's weekly physical and digital sales.  25 acts achieved number one albums during this year with artist such as Nelly and Shania Twain who had their albums debut at number one on the chart.  Rapper Eminem's "The Eminem Show" is the best selling album of 2002 selling over approximately 7.6 million copies by the end of the year.  It is also the longest running album of 2002 spending six non-consecutive weeks the chart and was known for its first full week of sales debut of 1.322 million copies which Nielsen SoundScan scanned as the sixth largest sales of all time in its first week.  Its debut of 1.322 million copies has still not been matched by any album today since except for Taylor Swift's album "1989", which opened with first week sales of 1.279 million copies.  The band Creed continued its eight week long run on the chart but is credited as the longest running album 2001.  Jennifer Lopez earned her second number one album on the charts with "", which became the highest first week sales of a remix album at the time.  R&B artist Ashanti earned her first number one album with her self-titled debut album "Ashanti", which opened up with first week sales of 503,000 copies in its first week alone.  Puff Daddy earned his first number one album since "No Way Out" back in 1997.  Rapper Jay-Z earned his fifth chart topper with "", which opened up with first week sales of 545,000 copies alone.  Heavy metal band Disturbed earned its first number one album on the chart with "Believe", which opened up with first week sales of 284,000 copies alone.  Country music singer Shania Twain's album "Up! " opened up with a huge first week sales of 857,000 copies in its first week alone, giving her the recognition of the highest first week sales of her career and second highest of the year, only behind Eminem's "The Eminem Show" and at the time the fastest selling solo female album ever.  Nelly's album "Nellyville" opened up with his highest first week sales of his career which logged on with huge sales of 714,000 copies in its first week alone, which beat his sales of his debut album "Country Grammar", which opened up with first week sales of 235,000 copies.  Country singer Alan Jackson album "Drive" gave him his first number one album on the chart and opened up with first week sales of 211,000 copies alone.

Supporting paragraphs: Back from Earth Megalithic Symphony
Answer: Megalithic Symphony