Question: Guitar World and Soaps In Depth, are what type of publications?
Context: Tony Rombola (born November 24, 1964) is an American musician who has been the lead guitarist and backing vocalist for the Boston-based Hard Rock band Godsmack since the mid-1990s.  Tony Rombola has been cited as 'an extraodinaire' in the guitar world, by Guitar World magazine, and is cited to be the only guitarist to keep an 'original soloing style' during the nu metal period, earning him the respect of the guitar industry.  Rombola is also a guitarist for the side-project band Another Animal, formed at the beginning of 2007, the band released their self-titled debut album in October 2007, and played shows, whilst frontman Sully Erna did a small solo tour. Ed Driscoll is an American writer, blogger, and journalist.  Driscoll is an editor at Pajamas Media.  A veteran journalist, Driscoll has contributed to "National Review" Online, the "Weekly Standard", Tech Central Station (now Ideas in Action.tv) and print publications ranging from "PC World" to "Guitar World".  He has been blogging since early 2002. Will Wallner (born 24 January 1987) is an English rock guitarist and songwriter.  His main influences are Ritchie Blackmore, Gary Moore and John Sykes.  He began playing guitar at age 16 and received his first "real guitar", a Gibson Les Paul Custom, which he has played his entire career, at the age of 18.  He began playing guitar by ear, then had taken his first formal guitar lessons from a rock guitar teacher in his home town of Devon, England.  He is an alumnus of the prestigious Colyton Grammar School and a graduate of the University of Portsmouth with a BSc in Music and Sound Technology and has also studied at the Musicians Institute, in Hollywood.  Since 2012 he has been a regular contributor to Guitar World magazine with his weekly blog 'Bent Out of Shape'.  He currently resides in Los Angeles, California and also owns a recording studio in Berlin, Germany. Brad Tolinski (born 1958) was the Editor-in-Chief of "Guitar World Magazine" for 25 years (1989–2015).  He also served as Editorial Director of NewBay Media's music division, which also includes "Guitar Aficionado" and "Revolver" magazines.  He then moved to Harris Publications as the Editorial Director of Special Projects and is now Editorial Director of Special Projects for AMG Parade in New York City. The Guitar World According to Frank Zappa is a 1987 compilation album featuring guitar solos by Frank Zappa.  It was issued as a cassette from Guitar World magazine, and has also been available in bootlegged versions as "Guitar Hernia" and "Solo on Guitar".  The compilation has never been made available officially in other formats (compact discs, etc.), but the cassette contains some unique material, including different takes and an excerpt from an unreleased remix of "Revised Music for Guitar and Low-Budget Orchestra" from the "Studio Tan" album, featuring drum overdubs by Chad Wackerman. TVyNovelas is a Mexican magazine published by Editorial Televisa on a monthly basis.  Like soap opera publications in the United States such as "Soap Opera Digest" and "Soaps In Depth", it mainly carries coverage of Mexican and international telenovelas, mainly those airing on the networks of Televisa. Guitar World is a monthly music magazine devoted to guitarists, published since July 1980.  It contains original interviews, album and gear reviews, and guitar and bass tablature of approximately five songs each month.  The magazine is published 13 times per year (12 monthly issues and a holiday issue).  Formerly owned by Harris Publications, Future US bought the magazine in 2003.  In 2012, NewBay Media bought the Music division of Future US.  The latter company also published a spin-off title, Guitar Legends, each issue of which typically combined past articles from "Guitar World" under a specific theme. The Floyd Rose Locking Tremolo, or simply Floyd Rose, is a type of locking vibrato arm for a guitar.  Floyd D. Rose invented the locking vibrato in 1977, the first of its kind, and it is now manufactured by a company of the same name.  The Floyd Rose gained popularity in the 1980s through guitarists like Eddie Van Halen, Neal Schon, Brad Gillis, Joe Satriani, Steve Vai, and Alex Lifeson, who used its ability to stay in tune even with extreme changes in pitch.  Its tuning stability comes through the double-locking design that has been widely regarded as revolutionary; the design has been listed on "Guitar World"' s "10 Most Earth Shaking Guitar Innovations" and "Guitar Player"' s "101 Greatest Moments in Guitar History 1979–1983". Zena Tsarfin is an American journalist best known as managing editor of the magazines "High Times", "XXL", and "Cracked".  As a journalist, her work has appeared in publications including "Revolver", "Alternative Press", "Terrorizer", "Guitar World", and "Playgirl".  She is known for her passion for and knowledge about heavy metal music. Soaps In Depth is a series of magazines created in 1997 by Bauer Publications to give American soap opera viewers more variety in their soap-related magazine purchases.  Instead of buying a magazine like "Soap Opera Digest", in which all soap operas are covered, "Soaps In Depth" gave the soap viewer and potential shopper individual choices from the "Big Three" networks: ABC Soaps In Depth, CBS Soaps In Depth, and NBC Soaps In Depth.  Each magazine is devoted to only the shows on the network the edition covers and is published biweekly.
Answer: magazines