Question: Which publication is published more often: Modern Drummer or Bookmarks?

Context articles: Tomas Haake
Tomato (musician)
Nathan Bauman
Steve Smith (musician)
Bookmarks (magazine)
Modern Drummer
Greg Voelker Rack System
Jim Chapin
Mike Portnoy
Keith Moon

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.
Tomato (born Chris Harfenist August 17, 1969) is an American musician who is best known for being the lead singer and drummer for the alternative rock band Sound of Urchin.
 Tomato was born in New York City, grew up in Rockland County, NY, and presently resides in Brooklyn, NY.
 He also plays drums in The Moistboyz as well as Dave Dreiwitz from Ween's "Crescent Moon".
 Tomato was mentored by Gary Chester, author of Modern Drummer Publication's drum book "The New Breed".
 Tomato has also played drums for Ween and recorded drums with Tenacious D for the Comedy Central Crank Yankers version of "The Friendship Song".
 Tomato also has appeared on an episode of the Nickelodeon kids show The Naked Brothers Band (TV series), as guest drummer along with Questlove and Claude Coleman, Jr..
 Tomato is also married to internet celebrity Lori Harfenist, host of The Resident.
Nathaniel Robert Bauman (born June 22, 1987 in Petoskey, Michigan) is an American born entertainment consultant and drummer.
 Currently, he is the drummer for The Band Royale and a monthly contributor for the music publication Modern Drummer.
 Aside from drumming, he is also known for his development of various start-ups, brands, venues, musicians and athletes.
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.
Bookmarks is a bimonthly American literary magazine dedicated to general readers, book groups, and librarians.
 It carries the tagline, "For everyone who hasn't read everything."
 Launched in 2002, "Bookmarks" summarizes and distills published book reviews and includes articles covering classic and contemporary authors, "best-of" genre reading lists, reader recommendations, and book group profiles.
 It was named a "Best New Magazine" shortly after its debut by Library Journal.
 "Bookmarks" magazine is based in Langhorne, Pennsylvania.
 It was previously headquartered in Chapel Hill, North Carolina.
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.
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.
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.)
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.
Keith John Moon (23 August 1946  – 7 September 1978) was an English drummer who played with the English rock band the Who.
 He was noted for his unique style and his eccentric, often self-destructive behaviour.
 His drumming continues to be praised by critics and musicians.
 He was posthumously inducted into the "Modern Drummer" Hall of Fame in 1982, becoming only the second rock drummer to be chosen, and in 2011, Moon was voted the second-greatest drummer in history by a "Rolling Stone" readers' poll.