Question: Megalithic Symphony and Back from Earth are EP's and albums by what rock band?

Context paragraphs:
Awolnation: Awolnation is an American alternative rock band, formed and fronted by Aaron Bruno, formerly of Under the Influence of Giants, Home Town Hero, and Insurgence.  The band is signed to Red Bull Records, and their first EP, "Back from Earth", was released on iTunes on May 18, 2010.  They released their first studio album, "Megalithic Symphony", on March 15, 2011; it featured their most notable hit, "Sail", which peaked at #17 on the "Billboard" Hot 100, #4 on the "Billboard" Rock Songs chart, and #5 on the "Billboard" Alternative Songs chart.  The song has been certified 6× platinum by the RIAA and has sold 5,500,000 copies in the United States.  As of February 29, 2016, the album has been certified platinum.

The Cab discography: American rock band The Cab has released two studio albums, four extended plays, nine singles and eight music videos.  Their debut album, "Whisper War", was released on April 29, 2008.  They have been called "The Band You Need to Know 2008" by "Alternative Press" magazine.  They were also featured in the '100 Bands You Need to Know in 2010' by the magazine and were one of the three bands featured on the cover page, along with Never Shout Never and Hey Monday.  Their second album "Symphony Soldier" was released on August 23, 2011, with its first single "Bad" released to iTunes July 11, 2011 and announced by the band on July 18.  The Cab funded the entire album by themselves and left their Fueled by Ramen/Decaydance label, self-releasing "Symphony Soldier".  "AbsolutePunk" gave an extremely positive review with a rating of 95%, calling the album a "masterpiece".  The pre-orders in the band's webstore featured eleven packages, ranging from $10 to $9,999.  "Symphony Soldier" is digitally available on iTunes, and only available as physical CDs from the band's webstore.  The band's latest work, "Lock Me Up" EP, was released on April 29, 2014.

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.

Awolnation discography: American alternative rock band Awolnation has released two studio albums, three extended plays, eight singles and ten music videos.  The band is signed to Red Bull Records, and their first EP, "Back from Earth", was released on iTunes on May 18, 2010.  They released their first studio album, "Megalithic Symphony", on March 15, 2011; it featured their most notable hit, "Sail", which peaked at #17 on the "Billboard" Hot 100, #4 on the "Billboard" Rock Songs chart, and #5 on the "Billboard" Alternative Songs chart.  The song has been certified 6× platinum by the RIAA and has sold 5,500,000 copies in the United States.  As of February 29, 2016, the album has been certified platinum.  The band's second studio album, "Run", was released on March 17, 2015.

Kill Your Heroes: "Kill Your Heroes" is a song by American alternative rock band Awolnation.  It is written by lead singer Aaron Bruno and musician Brian West for the band's debut studio album "Megalithic Symphony", where it appears as the eighth track.  "Kill Your Heroes" was released as the third and final single from "Megalithic Symphony" and reached the top 20 of the United States "Billboard" Alternative Songs and Rock Songs charts.

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".

The Cab: The Cab is an American rock band from Las Vegas, Nevada.  Their debut album, "Whisper War", was released on April 29, 2008.  They have been called "The Band You Need to Know 2008" by "Alternative Press" magazine.  They were also featured in the '100 Bands You Need to Know in 2010' by the magazine and were one of the three bands featured on the cover page, along with Never Shout Never and Hey Monday.  Their second album "Symphony Soldier" was released on August 23, 2011, with its first single "Bad" released to iTunes July 11, 2011 and announced by the band on July 18.  The Cab funded the entire album by themselves and left their Fueled by Ramen/Decaydance label, self-releasing "Symphony Soldier".  "AbsolutePunk" gave an extremely positive review with a rating of 95%, calling the album a "masterpiece".  The pre-orders in the band's webstore featured eleven packages, ranging from $10 to $9,999.  "Symphony Soldier" is digitally available on iTunes, and only available as physical CDs from the band's webstore.  The band's latest work, "Lock Me Up" EP, was released on April 29, 2014.

Sail (song): "Sail" is a song by American alternative rock band Awolnation.  It was released as a single on November 8, 2010.  The song was first featured on the band's debut extended play "Back from Earth" (2010) and was later featured on their debut album "Megalithic Symphony" (2011).  The song was written and produced in Venice, California by group member Aaron Bruno, with Kenny Carkeet performing the audio engineering.

Lock Me Up: Lock Me Up is the fourth EP by American rock band The Cab, released April 29, 2014 through Republic Records in the United States.  The EP marks the band's first release since their second full-length studio album "Symphony Soldier", released on August 23, 2011.  In 2012, the band announced that they were in the studio writing and recording a new album and signed to Republic Records.  The week prior to the EP's release, on April 24, Alex Marshall announced his departure from the band.  In early April, the band teased a new single titled "Lock Me Up" on their official Instagram account, which was released on April 28, 2014.  It debuted on the "Billboard" 200 at number 44, and on Digital Albums at number 11.

Not Your Fault: "Not Your Fault" is a song by American alternative rock band Awolnation.  It was originally written by frontman Aaron Bruno and recorded by the band for their debut studio album "Megalithic Symphony", where it appears as the twelfth track.  "Not Your Fault" was released to American modern rock radio on October 17, 2011, and was also released as a single in the United Kingdom and Bosnia on February 26, 2012.  The single peaked at numbers three and eleven on the US "Billboard" Alternative Songs and Rock Songs charts, respectively.

Supporting paragraphs: Back from Earth Megalithic Symphony
Answer: Awolnation