Question:  XLR8R and Kilobaud Microcomputing are both what?

Context paragraphs:
No Better Time Than Now: No Better Time Than Now is the second studio album by glitch hop producer Shigeto.  The album was well-received, being ranked number 25 on the 2013 year-end list by "XLR8R".

Giza (EP): Giza is the second extended play of duo Gatekeeper, consisting of musicians Aaron David Ross and Matthew Arkell.  It was released in December 2010 by the label Merok Records.  The duo made "Giza" with a setting of ancient ruins in mind, due to their interest of theories regarding ancient astronauts that they had garnered.  They also expanded their film score influence to science fiction and fantasy films in addition to horror movies. "Giza" was promoted with music videos for all of the tracks.  All of the videos were produced by production team Thunder Horse and were released online on the website "20JazzFunkGreats" as well on a limited-edition VHS tape.  The video for "Chains" was ranked number ten on a list of best music videos of 2010 by the magazine "XLR8R".

DJ Chef: DJ Chef, also known as Chefal, is a dubstep DJ from South London.  XLR8R has called him "One of U.K. pirate radio’s biggest dubstep DJs".  He is an employee of Transition Mastering Studio, which XLR8R called "dubstep’s most renowned acetate-cutting studio."  In 2010 Chef, Plastician and P Money represented for London on the BBC Dubstep Soundclash and won.

Robert Swirsky: Robert Swirsky (born December, 1962, Brooklyn, NY) is a computer scientist, author, and pianist.  In the early 1980s, Swirsky was one of the first regular contributors to the nascent computer magazine industry.  His articles appeared in magazines ranging from Popular Computing, Kilobaud Microcomputing, and Interface Age to Creative Computing.

P.H.I.R.M.: The PHIRM was an early hacking group which was founded in the early 1980s.  First going by the name of "KILOBAUD", the firm was reorganized in 1985 to reflect a favorite television show of the time "Airwolf".  By the mid-1980s The PHIRM was sysopping hundreds of boards.  Some of the more notable boards included Thieves' Underground sysoped by Jack The Ripper, Angel's Nest sysoped by Archangel, World's Grave Elite sysoped by Sir Gamelord, and SATCOM IV.  The PHIRM broke up in 1990, voluntarily, stating that after the Legion of Doom arrests that they had become too high-profile.

Hecuba (band): Hecuba is a band based in Los Angeles, California featuring performance artist, Isabelle Albuquerque and musician/designer Jon Beasley.  They have toured with Devendra Banhart, Bat for Lashes and Rainbow Arabia.  They have released two albums on Manimal Vinyl since their formation in 2006.  Their second release, "Paradise", has received favorable reviews from NME, Pitchfork Media, LA Weekly and XLR8R.  They performed at the Los Angeles premier of "Wild Combination": a film about Arthur Russell (musician) performing their versions of Russell's music.  Their third album "Modern" was released in 2012 on the LA-based label Germ.

Benoit Michel: Benoit Michel is a Belgian engineer born in 1950.  He is the author or co-author of more than 20 technical books on microcomputing, cinema, and stereoscopy.

Tittsworth: Jesse Tittsworth (born 26 February 1979), better known under his stage name Tittsworth, is an American DJ, producer, night club owner, and record label owner.  He has worked with the likes of Q-Tip, Theophilus London, Pitbull, Kid Sister and more.  He has been featured on MTV, VIBE, Pitchfork, XLR8R, and countless other outlets.

XLR8R: XLR8R (pronounced "accelerator") is a magazine and website that covers music, culture, style, and technology.

Kilobaud Microcomputing: Kilobaud Microcomputing was a magazine dedicated to the computer homebrew hobbyists from 1977 to 1983.

Supporting paragraphs: XLR8R Kilobaud Microcomputing
Answer: magazine