In utero is a Latin term literally meaning "in the womb". In biology, the phrase describes the state of an embryo or fetus. In legal contexts, the phrase is used to refer to unborn children. Under common law, unborn children are still considered to exist for property transfer purposes.

Scott Litt (born c.1954) is an American record producer who mostly works with artists in the alternative rock genre and is best known for producing six R.E.M. albums.

Litt began as an engineer in the late 1970s, working on recordings by Ian Hunter and Carly Simon. He made his debut as a producer with The dB's Repercussion album in 1982, going on to work with Chris Stamey, Matthew Sweet, and Beat Rodeo. His breakthrough as a producer came in 1987 with R.E.M.'s Document album. Litt had first worked with the band on the track "Romance" for a film soundtrack, and went on to enjoy a long and successful association with the band which included production of their albums Green (1988), Out of Time (1991), Automatic for the People (1992), Monster (1994) and New Adventures in Hi-Fi (1996). In 1997, R.E.M. and Litt discontinued their collaboration.

Apart from R.E.M., the most commercially successful act Litt worked with was Nirvana, for whom he mixed the singles "Heart-Shaped Box" and "All Apologies" from the 1993 album In Utero, and the posthumous release MTV Unplugged in New York (1994). Litt also remixed "Pennyroyal Tea" and the remix was set to be released on the single, but the single was retracted shortly after Kurt Cobain's death. His remix can be found on Wal-Mart and Kmart versions of In Utero as well as Nirvana, Nirvana's greatest hits collection. In 1999 and the 2000s, Litt worked with Incubus to produce two of their records Make Yourself (1999) and Morning View (2001). Litt also mixed songs for Hole including "Miss World", "Asking For It", "Jennifer's Body", and "Softer, Softest" off their album Live Through This.

Steven Frank Albini (pronounced /ælˈbiːni/) (born July 22, 1962) is an American singer, songwriter, guitarist, audio engineer, and music journalist. He was a member of Big Black, Rapeman, and Flour, and is currently a member of Shellac. He is the founder, owner, and engineer of Electrical Audio, a recording studio complex located in Chicago, and has worked with musical acts such as Sparklehorse, Nirvana, The Stooges, Pixies, Jawbreaker, Manic Street Preachers, Cheap Trick, PJ Harvey, The Jesus Lizard, Bush, Electrelane, and Scrawl, among others.

In his youth, Albini's family moved often, before settling in Missoula, Montana in 1974. The activities of bored teenagers in rural Missoula provided much inspiration for later Albini-penned songs. While recovering from a broken leg, Albini began playing bass guitar. According to Thrill Jockey's Looking for a Thrill, Albini was exposed to punk rock by a schoolmate and subsequently bought every Ramones recording available.

He took bass lessons in high school for one week and started playing in bands. He played with drummer Joey Cregg, son of former Mayor Bill Cregg, in the punk band Just Ducky, which quickly disbanded. While growing up in Montana, he became a fan of bands such as The Stooges, the Ramones, Television, Suicide, Wire, The Fall, The Velvet Underground, Throbbing Gristle, Kraftwerk, The Birthday Party, Pere Ubu, Public Image Ltd., Rudimentary Peni and Killing Joke.

David Eric "Dave" Grohl (born January 14, 1969) is an American rock musician, multi-instrumentalist, and singer-songwriter, who is the lead vocalist, guitarist, primary songwriter and founder of the Foo Fighters, prior to which he was the drummer in the grunge band Nirvana. He is also the drummer and co-founder of the rock supergroup Them Crooked Vultures. Grohl has additionally written all the music and performed all the instruments for his short-lived side projects Late! and Probot, as well as being involved with Queens of the Stone Age numerous times throughout the past decade. He has performed session work (as a drummer) for a variety of musicians, including Garbage, Killing Joke, Nine Inch Nails, The Prodigy, Slash, Juliette Lewis, Tenacious D, Tom Petty and the Heartbreakers, and Lemmy Kilmister.

As a child, Grohl's family relocated from Warren, Ohio, to Springfield, Virginia, a suburb of Washington, D.C. Three years later, when Grohl was six, his parents divorced, and Grohl grew up living with his mother.

Krist Anthony Novoselic II ( /ˌnoʊvəˈsɛlɪtʃ/; Croatian: Novoselić; born May 16, 1965) is an American rock musician, best known for being the bassist and co-founder of the grunge band Nirvana. After Nirvana ended, Novoselic formed Sweet 75 and then Eyes Adrift, releasing one album with each band. From 2006 to 2009 he played in punk band Flipper, also recording an album, and in 2011 contributed bass and accordion to the song "I Should Have Known", from the Foo Fighters' record Wasting Light.

Apart from his musical endeavors, Novoselic has been active politically, including the creation of the political action committee JAMPAC. From November 2007 until September 2010, Novoselic wrote a weekly column on music and politics for Seattle Weekly's website. Since 2008 he has been board chair of the electoral reform organization FairVote.

Novoselic was born to Croatian immigrants Kristo and Marija Novoselić in Compton, California. He lived there for one year before his parents relocated to the Los Angeles Croatian neighborhood of San Pedro, where he remained for most of his childhood. He has two brothers, Robert Alan Novoselic and Dillon Malloy Novoselic, and in 1973, Novoselic's sister Diana was born. The Novoselic family moved to Aberdeen, Washington in 1979, due to rising property prices in California. In 1980, his parents sent him to live with relatives in Zadar, Croatia, then part of SFR Yugoslavia. There, Novoselic attended the gymnasium. Novoselic was already interested in bands like Led Zeppelin, Devo, Black Sabbath, Van Halen, and Aerosmith. He also enjoyed rock bands like Zabranjeno Pusenje, Prljavo Kazaliste and Azra. While in Yugoslavia, he picked up an interest in punk rock, and discovered bands like the Sex Pistols and the Ramones. He has cited Paul McCartney, Geezer Butler, John Entwistle, and Gene Simmons as the fundamental influences of his bass playing.