Acoustic may refer to:

In science:

In music:

Warfare

Other:

Christina Judith Perri (born August 19, 1986) is an American singer-songwriter and musician from Philadelphia. Her song "Jar of Hearts" charted in the United States after it was featured on the Fox television show So You Think You Can Dance in 2010. Rolling Stone named her the "Band of the Week" on October 26, 2010. On May 10, 2011, Perri's "Jar of Hearts" was featured on Glee (Season 2, Episode 20 "Prom Queen"). Also, on June 27, 2011, Perri's "Jar of Hearts" was featured on Switched at Birth (Season 1, Episode 4 "Dance Amongst Daggers"). One of her songs, "A Thousand Years", has been in the Twilight saga movie Breaking Dawn.

Perri grew up in Bensalem, Pennsylvania (a suburb of Philadelphia) with her older brother, Nick Perri, who formerly played guitar with Shinedown, Silvertide, Perry Farrell and Matt Sorum. Her father is from Italy. She attended Archbishop Ryan High School as a member of the class of 2004. She taught herself how to play guitar as a 16-year-old by watching a videotape of Shannon Hoon from the group Blind Melon performing on VH1.

Luke Bryan (born July 17, 1976) is an American country singer. Bryan began his musical career in the mid-2000s, writing songs for Travis Tritt and Billy Currington. After signing with Capitol Records Nashville in 2007, he released the album I'll Stay Me, which included the singles "All My Friends Say", "We Rode in Trucks" and "Country Man". Followup album Doin' My Thing included "Do I", which Bryan co-wrote with Charles Kelley of Lady Antebellum, and the number one singles "Rain Is a Good Thing" and "Someone Else Calling You Baby". Tailgates & Tanlines, released in 2011, includes "Country Girl (Shake It for Me)" and his third number one, "I Don't Want This Night to End". Bryan co-wrote all of his singles with the exception of "Drunk on You" and co-produced all three albums with Jeff Stevens.

Bryan was born and raised in Leesburg, Georgia. At age fourteen, his parents bought him his first guitar, and after learning to play it, he joined various local bands and began to play in local clubs. After graduating Lee County High School, Bryan planned to move to Nashville, Tennessee; however, this move was delayed, due to the death of his brother, Chris, on the same day he planned to leave. Luke attended Georgia Southern University, and is a member of the Eta Zeta chapter of the Sigma Chi Fraternity. After graduation Luke went to work for his dad, despite everyone encouraging him to move to Tennessee. His dad encouraged him to relocate and he arrived in Nashville in 2001, signing a record deal only two months later.

Myles Richard Kennedy (born Myles Richard Bass; November 27, 1969) is an American musician and singer-songwriter best known as the lead vocalist and rhythm guitarist of the rock band Alter Bridge, and as the lead vocalist in Slash's current solo project. A former guitar instructor originally from the Spokane, Washington area, Kennedy is known for his ability as both a guitarist and a vocalist, possessing a tenor vocal range that spans four octaves. He has worked as a session musician and songwriter, making both studio and live appearances with several artists over the years and having been involved with several projects throughout his career. Most notably, Kennedy rehearsed and collaborated with former members of Led Zeppelin for an unreleased project featuring Jimmy Page, John Paul Jones, and Jason Bonham in 2008. More recently, he has become known for his several collaborations with Slash, starting with his vocal contributions to two songs on Slash's self-titled debut solo album, which featured many other guest musicians.

Edward Christopher "Ed" Sheeran (born 17 February 1991) is an English singer-songwriter who is currently signed to Asylum / Atlantic Records. Sheeran broke through commercially in June 2011, when his debut single "The A Team" debuted at number 3 on the UK chart.

Sheeran was born in Halifax, West Yorkshire to Irish and English parents, before moving to Framlingham, Suffolk; he is a cousin of TV journalist and presenter Gordon Burns. He learned guitar at a very young age, and began writing songs during his time at Thomas Mills High School in Framlingham. His early childhood memories, referred to in a interview on the Zane Lowe show, included listening to Van Morrison on his countless trips to London with his parents and going to an intimate gig with Damien Rice in Ireland when he was 11. He also opened for Nizlopi in Norwich in April 2008 after being one of their guitar technicians. Sheeran began recording in 2005, which led to the release of his first EP, The Orange Room EP. Sheeran also released 2 albums, a self-titled one in 2006 and Want Some? in 2007. He moved to London in 2008 to play gigs, starting off in very small venues, playing every day, to as little as five people. In 2008, he auditioned for the ITV series Britannia High.