Question: Are both The Mayfield Four and The Asteroids Galaxy Tour musical acts?

Context articles: Alive Galaxy Tour
Bring Us Together (album)
Mette Lindberg
Out of Frequency
The Asteroids Galaxy Tour
The Golden Age (The Asteroids Galaxy Tour song)
Power World Tour
Motion (The Mayfield Four EP)
The Mayfield Four
Fruit (album)

The Alive Galaxy Tour (referred to as the Alive Tour) is the first worldwide concert tour by South Korean boy band Big Bang.
 It promotes the group's fifth Korean-language EP, "Alive" (as well as their fourth Japanese-language studio album of the same name), across four continents: Asia, North America, South America and Europe.
 The group hired choreographer and creative director Laurieann Gibson to direct the show.
 The tour was officially sponsored by Samsung GALAXY.
Bring Us Together is the third album by Danish pop band The Asteroids Galaxy Tour.
 The album was recorded at Viktoria Recording Studio, Copenhagen and was released on September 15, 2014 by Hot Bus Records.
Mette Lindberg (born 2 December 1983) is a Danish vocalist for psychedelic pop group The Asteroids Galaxy Tour, paired with songwriter/producer Lars Iversen.
 The band has produced three studio albums to date, "Fruit", "Out of Frequency", and "Bring Us Together".
 She appeared as judge on the ninth season of the Danish Version of The X Factor She Mentored the 15-22s Category Lindberg had 2 acts in the Final Reem Hamze and Alex Benson but both of them finished as runner-up and third placer after the competition was won by Embrace.
Out of Frequency is the second album by Danish band The Asteroids Galaxy Tour.
 It was released on January 31, 2012 by BMG Rights.
The Asteroids Galaxy Tour is a Danish pop band consisting of vocalist Mette Lindberg and songwriter/producer Lars Iversen, formed in 2007.
 When performing live the band extends to a five-piece, featuring Mikkel Balster Dorig (guitar), Simon Littauer (MPC and keys) and Rasmus Littauer (drums).
"The Golden Age" is a song recorded by Danish indie pop band The Asteroids Galaxy Tour.
 The song was released as a single on September 13, 2009 as a digital download in Denmark from their debut studio album "Fruit".
 The song was produced by Lars Iversen and written by Mette Lindberg and Lars Iversen.
 The song has charted in Austria, Spain, Switzerland, United Kingdom, Canada and United States.
The Power World Tour (also known as the Power Galaxy Tour) is the second world tour by South Korean music label YG Entertainment in 2014, the last being the Past, Present & the Future world tour in 2006.
 The tour marks the entertainment agency's first family concert in two years.
 The tour kicked off at Kyocera Dome in Osaka, Japan for a two-day performance on April 12 and 13 before visiting other cities in Japan, China and Korea.
 The tour was officially sponsored by Samsung Galaxy in China, Taiwan and Singapore.
Motion: Live: 9.17.97, commonly referred to as Motion, is a live EP released by The Mayfield Four, released in 1997.
 It is a very rare item and is a highly sought after collector's item among fans.
 Former Mayfield Four vocalist Myles Kennedy has stated that "only about 5,000 copies were ever made".
The Mayfield Four was an American rock band formed by Myles Kennedy in Spokane, Washington in 1996.
 The band released two albums, "Fallout" and "Second Skin" and an EP "Motion / Live: 9.17.97" before disbanding in 2002.
Fruit is the debut album by Danish band The Asteroids Galaxy Tour.
 It was released on September 21, 2009, in Europe, and October 27, 2009, in the US.