Question: What industry does Walt Aldridge and Adam Levine work in?

full_context: Document 1: Adam Lazzara: Adam Burbank Lazzara (born September 22, 1981) is an American singer, songwriter and musician. He is lead singer of the rock band Taking Back Sunday. Along with singing lead vocals, Lazzara plays guitar and occasionally the harmonica.
Document 2: Walt Aldridge: James Walton "Walt" Aldridge, Jr. (born November 12, 1955 in Florence, Alabama) is an American musician, singer, songwriter, engineer and record producer.
Document 3: Julian King (recording engineer): Julian King is a Grammy Award-winning recording engineer, mix engineer, record producer and musician based in Nashville, Tennessee. In one capacity or another, he has been involved with records that have sold more than 100 million units (see listing below). King has worked with some of the most notable artists in country music, such as George Jones, George Strait, Waylon Jennings, Willie Nelson, Kenny Rogers and Merle Haggard. Other artists he has worked with include Tim McGraw, Vince Gill, Charlie Daniels, Hank Williams, Jr., Clint Black, Martina McBride, Randy Travis, Brooks & Dunn, Toby Keith, Alabama and The Judds. His credits also extend to some of the hottest young acts in country music today, such as Sugarland, Chris Young, Kellie Pickler, Lauren Alaina and Casey James.
Document 4: Rick Hall: Roe Erister "Rick" Hall (born January 31, 1932) is an American record producer, songwriter, music publisher, and musician best known as the owner and proprietor of FAME Studios in Muscle Shoals, Alabama, and "Father of Muscle Shoals Music". Hall was inducted into the Alabama Music Hall of Fame in 1985 and also received the John Herbert Orr Pioneer Award. Hall remains active in the music industry with FAME Studios, FAME Records, and FAME Publishing.
Document 5: Adam DeVine: Adam Patrick DeVine (born November 7, 1983) is an American actor, comedian, singer, voice actor, screenwriter and producer. He is a star and co-creator of the Comedy Central series "Workaholics", as well as "Adam DeVine's House Party".
Document 6: Adam Levine: Adam Noah Levine (born March 18, 1979) is an American singer, songwriter, multi-instrumentalist, actor, and record producer. He is the lead singer for the pop rock band Maroon 5.
Document 7: Adam Leonard (singer-songwriter): Adam Leonard is an English singer-songwriter working mainly in the folk, psychedelic and electronic music fields. His style is often described as lo-fi and the subject matter of his songs somewhat unconventional. Since his debut album 'How Music Sounds' in 2003, he has released many EPs, albums and mini-albums on various small labels. Live performances, which have so far been limited to the UK (Manchester, London and Northern Ireland) are as intriguing as they are rare. In 2008 he opened for British folk legend Steve Ashley. He regularly collaborates with other musicians, most notably Pat Gubler (P.G. Six), Ashley Cooke (Pulco), Gareth Davies, and Steven Collins of The Owl Service, a band for which Leonard provided vocals for their 2010 album 'The View From A Hill'. At the close of 2010, a limited edition album entitled 'Nature Recordings' was released on vinyl only by the London label The Great Pop Supplement. In 2011 Leonard provided the soundtrack to Claudia Heindel's award-winning independent film Lucky Seven. In 2012, Nature Recordings was issued on CD by Manchester-based label The Northwestern Series.
Document 8: Andy Wallace (producer): Andy Wallace is an American music studio engineer with a long track record of successful productions, beginning with the 1986 production of the Run-DMC/Aerosmith collaboration on "Walk This Way" with Rick Rubin. Following this breakout success, Wallace went on to work with Feeder, Sum 41, The Cult, Slayer, Prince, Bruce Springsteen, Sepultura, Soulfly, Nirvana, The Misfits, White Zombie, Jeff Buckley, Ben Folds Five, Faith No More, Rollins Band, Rush, Alice Cooper, Bernard Butler, Bad Religion, Sonic Youth, L7, Guns N' Roses, Rage Against the Machine, Front 242, Alabama 3, Linkin Park, Trapt, Foo Fighters, Silverchair, At the Drive-In, Staind, Sevendust, Blind Melon, System of a Down, Phish, Skunk Anansie, A Perfect Circle, Limp Bizkit, 3 Doors Down, Fuel, Chevelle, Disturbed, Paul McCartney, The Cribs, Atreyu, Young Astronauts Club, Avenged Sevenfold, Dream Theater, Ghost (Swedish band), A Day to Remember and many others. As of October 2005, over 80 million album units had been sold worldwide that contained a credit to Andy Wallace.
Document 9: Nate Albert: Nate Albert (born 1970) is an American music executive, songwriter, producer and guitar player. He is currently the Executive Vice President of A&R at Capitol Records a division of Universal Music Group. He was formerly Senior Vice President of A&R at Republic Records, where he worked with such artists as The Weeknd, Florence & the Machine, Phantogram and the Lonely Island.
Document 10: Muscle Shoals Rhythm Section: The Muscle Shoals Rhythm Section, also known as the Swampers, is a group of American studio musicians playing soul, R&B, rock and roll and country, based in the city of Muscle Shoals, Alabama. They have appeared on more than 500 recordings, including 75 gold and platinum hits. Originally the house band at Rick Hall's FAME Studios, the group went on to found their own competing business, the famed Muscle Shoals Sound Studios. The group was inducted into the Nashville-based Musicians Hall of Fame in 2008 and into the Alabama Music Hall of Fame in 1995, "as four of the finest studio musicians in the world", also receiving the Lifework Award in 2008.
Document 11: Adam Duritz: Adam Fredric Duritz (born August 1, 1964) is an American musician, songwriter, record producer, and film producer. He is best known for his role as frontman and vocalist for the rock band Counting Crows, of which he is a founding member and principal composer of their catalog of songs.
Document 12: Alabama (American band): Alabama is an American country, Southern rock band formed in Fort Payne, Alabama, in 1969. The band was founded by Randy Owen (lead vocals, rhythm guitar) and his cousin Teddy Gentry (bass guitar, background vocals). They were soon joined by their other cousin, Jeff Cook (lead guitar, fiddle, and keyboards). First operating under the name Wildcountry, the group toured the Southeast bar circuit in the early 1970s, and began writing original songs. They changed their name to Alabama in 1977 and following the chart success of two singles, were approached by RCA Records for a record deal.
Document 13: Adam Lambert: Adam Mitchel Lambert (born January 29, 1982) is an American singer, songwriter and stage actor. Since 2009, he has sold over 3 million albums and 5 million singles worldwide.
Document 14: Adam Bravin: Adam Michael Bravin, also known as DJ Adam 12, is a musician and producer who is half of the darkwave duo She Wants Revenge. He has also played in Crazy Town from 1995 to 1996, prior to DJ AM. After She Wants Revenge, Bravin started working on his own solo project, Love Ecstasy Terror. He has also been the personal DJ for President Barack Obama.
Document 15: Sad (Maroon 5 song): "Sad" is the ninth track from American band Maroon 5's fourth studio album "Overexposed" (2012). It was written by Adam Levine and James Valentine; they produced the song together with Noah "Mailbox" Passovoy. Valentine started composing the song on his home piano, before introducing the melody to Levine, who wrote the lyrics and called the song his most personal track on the album. "Sad" is a piano ballad that is similar to the music of British singer-songwriter Adele. It received generally mixed reviews from music critics; some of them called it a standout track on "Overexposed", however, others criticized Levine's voice on the song. Following the release of the album, due to strong digital downloads, the song peaked at number 12 on the singles chart in South Korea.
ground_truth: record producer