Question: Are Castle of Frankenstein and Modern Drummer both magazines?

Context paragraphs:
Steve Smith (musician): Steven Bruce "Steve" Smith (born August 21, 1954) is an American drummer best known as a member of the rock band Journey, rejoining the group for the third time in 2015. " Modern Drummer" magazine readers have voted him the #1 All-Around Drummer five years in a row.  In 2001, the publication named Smith one of the Top 25 Drummers of All Time, and in 2002 he was voted into the Modern Drummer Hall of Fame.  He was inducted into the Rock and Roll Hall of Fame as a member of Journey on April 7, 2017.

Modern Drummer: Modern Drummer is a monthly publication targeting the interests of drummers and percussionists.  The magazine features interviews, equipment reviews, and columns offering advice on technique, as well as information for the general public.  "Modern Drummer" is also available on the internet.

Mike Portnoy: Michael Stephen Portnoy (born April 20, 1967) is an American drummer primarily known as the former drummer, backing vocalist, and a co-founder of the progressive metal/rock band Dream Theater.  Known for his technical skill as a drummer, Portnoy has won 30 awards from the "Modern Drummer" magazine.  He co-produced six Dream Theater albums with guitarist John Petrucci, starting from "" through "Black Clouds and Silver Linings".  From "A Change of Seasons" onwards, Portnoy had been writing a significant amount of Dream Theater's lyrics.  He is the second youngest person (after Neil Peart) to be inducted into the "Modern Drummer's" "Hall of Fame", at 37 years of age.

Greg Voelker Rack System: The Greg Voelker Rack System is a unique drum rack used by former Megadeth drummer Nick Menza, David Beal drummer for Joe Cocker, Julian Lennon, Honeymoon Suite, Rod Morgenstein drummer for Dixie Dregs and Winger and was voted by Modern Drummer Magazine's "Most Popular Progressive Rock Drummer", Michael Foster, drummer for FireHouse, and Whitesnake drummer Tommy Aldridge.  It was designed for its lack of stands, which serves for a flashy live look and prevents a drummer/band from knocking over cymbal/drum stands.  Designed by Greg Voelker, the rack was made out of Stainless Steel and was attached to a built in riser which allows the bass drums to float.  Thereby, giving the drummer more mounting flexibility well as avoiding the clutter of stands on stage.  The racks mentioned were custom made for each drummer.  A "Standard" rack by Greg Voelker was distributed through Premier drums from the late 1980s to the early to mid-1990s.

Tomas Haake: Tomas Haake (born 13 July 1971) is a Swedish drummer and main songwriter of the extreme metal band Meshuggah.  He is known for his polyrhythms and technical ability.  In 2012, Haake was named the 5th best Modern Metal drummer by MetalSucks.net.  In the July 2008 edition of "Modern Drummer" magazine, Haake was named the number one drummer in the "Metal" category, as decided upon in the magazine's Readers' Poll.

Frankenstein's monster: Frankenstein's monster, sometimes known as Frankenstein, is a fictional character who first appeared in Mary Shelley's 1818 novel "Frankenstein; or, The Modern Prometheus".  Shelley's title thus compares the monster's creator, Victor Frankenstein, to the mythological character Prometheus, who fashioned humans out of clay and gave them fire.  Although nameless in Shelley's novel, the creature is often referred to by his creator's surname, "Frankenstein".

Travis Smith (musician): Travis Smith (born April 29, 1982 in Bainbridge, Georgia) is the former drummer in the metal band Trivium, from their formation in 1999 until he officially departed on February 4, 2010.  Travis is best known for his very fast footwork, and intricate rhythms on the toms, a skill that has been noted several times by music magazines such as Revolver and Modern Drummer as well as by other media.  In Metal Hammer's Golden Gods Awards 2006, Travis received the "Best Drummer in the Universe" award.

Frankenstein Castle: Frankenstein Castle (German: "Burg Frankenstein" ) is a hilltop castle in the Odenwald overlooking the city of Darmstadt in Germany.  It is thought that this castle may have been an inspiration for Mary Shelley when she wrote her 1818 Gothic novel "Frankenstein".

Jim Chapin: James Forbes Chapin ( ) (July 23, 1919 – July 4, 2009) was an American jazz drummer and the author of popular texts on jazz drumming, the first two volumes of which are "Advanced Techniques for the Modern Drummer, Vol.  I," and "Advanced Techniques for the Modern Drummer, Vol.  II."  (A third volume is planned.)

Castle of Frankenstein: Castle of Frankenstein was an American horror, science fiction and fantasy film magazine, published between 1962 and 1975 by Calvin Thomas Beck's Gothic Castle Publishing Company, distributed by Kable News.  Larry Ivie - who also was cover artist for several early issues - and Ken Beale edited the first three issues.  Writer-artist Bhob Stewart edited the magazine from 1963 into the early 1970s.  Although promoted and sold as a "monster magazine," readers were aware that "Castle of Frankenstein", at the time, was the only nationally distributed magazine devoted to a legitimate and serious coverage of B movies.  In addition to its central focus on classic and current horror films, "Castle of Frankenstein" also devoted pages to amateur filmmakers and fanzines.  Its advertising pages sold full-length silent feature films such as "The Lost World" and "".

Supporting paragraphs: Castle of Frankenstein Modern Drummer
Answer: yes