Question: 12 Stones and Halestorm are bands from which country?

Context articles: 12 Stones (album)
Halestorm
12 Stones discography
Executive Music Group
Potter's Field (album)
Beneath the Scars
Anthem for the Underdog
Diana Meltzer
The Only Easy Day Was Yesterday
12 Stones

12 Stones is the eponymous debut album from the American rock band 12 Stones.
 It was released on April 23, 2002 by Wind-up Records.
 The album debuted on the "Billboard" 200 at No. 147.
Halestorm is an American hard rock band from Red Lion, Pennsylvania, consisting of lead vocalist and guitarist Lzzy Hale, her brother drummer and percussionist Arejay Hale, guitarist Joe Hottinger, and bassist Josh Smith.
 The group's self-titled debut album was released on April 28, 2009, through Atlantic Records.
 Their second album "The Strange Case Of..." was released on April 10, 2012.
 Its lead single "Love Bites (So Do I)" from that album won their first Grammy Award for Best Hard Rock/Metal Performance on February 10, 2013.
The discography of 12 Stones, an American Christian post-grunge band, consists of four studio albums, one extended play and fourteen singles.
Executive Music Group is an independent record label located in Dallas, Texas.
 The label was started in 2006 by Jacob Capricciuolo and Jimmy Swan.
 Executive Music Group is commonly abbreviated with the acronym EMG.
 EMG represents a wide variety of artists, making them unique among other independent labels.
 EMG is distributed by Fontana Distribution.
 Some of their most well-known artists include or included Dirty Heads, 12 Stones, Alien Ant Farm, Lacey Schwimmer, Khleo Thomas, The Katinas, Niyoki, and Shock of Pleasure.
Potter's Field is the second album by American rock band 12 Stones.
 It was released on August 24, 2004.
 The album debuted on the "Billboard" 200 at number 29, making it the band's highest charting album.
Beneath the Scars is the fourth studio album by the rock music group 12 Stones.
 It was released on May 22, 2012.
 The album was produced by Skidd Mills, who produced the band's previous album "Anthem for the Underdog".
Anthem for the Underdog is the third album by the rock band 12 Stones.
 It was released on August 14, 2007.
 The first single "Lie to Me", was made available on 12 Stones' MySpace and official website along with the second single "Anthem For The Underdog", which was used in the movie "Never Back Down".
 Both singles charted in the top 30 on the Mainstream Rock Tracks chart, while "It Was You" charted in the top 10 on Christian Rock charts.
 The third single, "Adrenaline", was the theme song for the Met-Rx World's Strongest Man competition in 2007.
 "Anthem for the Underdog" debuted at No. 53 on the "Billboard" 200, and stayed on the chart for four weeks.
Diana Meltzer is an American music industry executive.
 She is the owner of Monster Hits Music and was the co-owner of the world largest independent label Wind-Up Records with her ex-husband Alan Meltzer.
 She is primarily known for discovering and signing Grammy award winning band Creed, Evanescence, and other bands such as Alter Bridge, Seether, Drowning Pool, Finger Eleven, Beat The System, Company of Thieves, 12 Stones, Thriving Ivory, Bright Eyes, People in Planes.
 She first began her career as a fashion model.
 Later Diana owned a record store in Connecticut in the late 1980s before she was asked to assume the role of an A&R.
 In 2004 Diana Meltzer become the first woman to top HitQuarters' World Top 100 A&R Chart, a considerable achievement in what is traditionally a male dominated field.
 Other #1s have included Clive Davis, Tommy Mottola, Dr. Dre and Mark Williams.
 Diana is still known to be the ‘Woman with the Golden Ears’.
The Only Easy Day Was Yesterday is an EP from the American rock band 12 Stones.
 It was released on July 20, 2010 by Wind-up Records and debuted at No. 103 on the "Billboard" 200.
 The album's title is a reference to the motto of the U.S. Navy SEALs.
12 Stones is an American Christian post-grunge band that was formed in 2000 in Mandeville, Louisiana.
 The band currently consists of Paul McCoy, Eric Weaver, David Troia and Sean Dunaway.