1) there are Top Ten lists about musicians / actors. Moreover, very often musicians are invited in movies just because they are popular and not because they are great actors.
2) Biographical books are often written by professional writers and musicians only give facts and stories.
1 Bruce Dickinson is a professional pilot
He used to take unpaid leave to front Iron Maiden. He still flies and he also flies the band's plane called 'Ed Force One'. - Metal_Treasure
2 Brian May's got a PhD in Astrophysics
Brian Harold May is an English musician, singer, songwriter and astrophysicist, best known as the lead guitarist of the rock band Queen.
3 Descendents Front Man Milo Auckerman Has a Doctorite in Biology and Worked For DuPont as a Researcher and Also Worked as a College Professor at the University of Delaware
Impressive! - Metal_Treasure
4 Bad Religion Front Man Greg Graffin Has a PhD in Zoology and Teaches College Classes at UCLA and Cornell University
5 Dexter Holland's got a PhD in Molecular Biology
He is the lead singer, rhythm guitarist, and primary songwriter for the punk band The Offspring - Metal_Treasure
6 Mike Mangini was a software specialist who worked on a program that studied the links between the human brain and body
Mike Mangini is an American drummer. Since 2010, he has been a member of progressive metal band Dream Theater, following the departure of founding drummer Mike Portnoy.
7 Maynard James Keenan is a winemaker
Maynard James Keenan, often referred to by his initials MJK, is an American musician, record producer, winemaker, and actor, best known as the vocalist for Grammy Award-winning progressive metal band Tool.
He owns Merkin Vineyards and Caduceus Cellars. One of his most famous songs is Sober (haha) - Metal_Treasure
8 Bruce Dickinson was a fencer and a member of The UK National Olympic Team
It was long ago but he still exercises for pleasure. - Metal_Treasure
9 R. Kelly was a professional basketball player
Robert Sylvester Kelly, known professionally as R. Kelly, is an American recording artist, songwriter, record producer, and former professional basketball player.
A friend told me this ages ago but I didn't believe him. - Britgirl
10 Cozy Powell raced for Hitachi on the UK saloon car circuit
Colin Trevor "Cozy" Powell was an English rock drummer, who made his name with many major rock bands and artists like The Jeff Beck Group, Rainbow, Robert Plant, Whitesnake and Black Sabbath.
A great drummer who was quoted as saying "I drive like I drum - madly". - Metal_Treasure
11 Alex James is a cheesemaker
Alex James of Blur - Metal_Treasure
12 Matt Barlow is a policeman
Matthew 'Matt' Barlow is an American heavy metal singer and police officer. He was the lead singer for Iced Earth in the 1990s and 2000s. He is currently the lead singer for Ashes of Ares. After the September 11 terrorist attacks Matt Barlow decided to become a police officer and contribute to the "real ...read more.
Matt Barlow of Iced Earth was a policeman in the 90s and after the 9/11 attacks in 2001 he left the band to work as a policeman again. In 2007 he returned to music. - Metal_Treasure
13 Fernando Ribeiro published 3 poetry books
Fernando Ribeiro has been the lead vocalist for the Portuguese metal band Moonspell since 1992. He sings gothic metal, black metal, doom metal, melodic death metal.
Poetry is far from the metal music he sings: gothic, death and black metal.
He is very good. Even his lyrics for Moonspell songs are very good. - Metal_Treasure
14 Bushido founded a real estate company
15 Dave Navarro is a host and judge on a TV reality tattoo competition (Ink Master)
David Michael "Dave" Navarro is an American guitarist, singer-songwriter, and actor. He is best known as a former member of the Red Hot Chili Peppers and as a founding member of the alternative rock band Jane's Addiction.
Look at his tattoos! Ink Master is an American T.V. reality show, now in its eighth season on Spike.
I watched several episodes. He's very good at this. - Metal_Treasure
16 Glenn Danzig owns an adult-oriented comic book publishing company
Glenn Danzig is an American singer, songwriter, and musician from Lodi, New Jersey. He is the founder of the bands Misfits, Samhain and Danzig. He owns the Evilive record label as well as Verotik, an adult-oriented comic book publishing company.
The name of the company is Verotik. Danzig said he likes comic books and sex. - Metal_Treasure
17 Marilyn Manson is a Honorary Priest of the Church of Satan
Hardly different from what he does in his music. - RobertWisdom
18 Master P
Percy Robert Miller, known by his stage name Master P or his business name P. Miller, is an American musician, actor, businessperson, record producer, record executive, philanthropist, and former basketball player.
Hip-Hop mogul Master P was an NBA basketball player. - RobertWisdom
19 Insane Clown Posse (Violent J and Shaggy 2 Dope) are a professional wrestling team
20 Helene Fischer was a popular TV host
21 Till Lindemann writes poems which have been released in books
22 Graham Coxon is a Cheesemaker
Actually, Alex James (the bass player) is the cheesemaker. - Gg2000
23 Chester Bennington - Worked at Burger King
This was before his Linkin Park days, and even before he formed Grunge/ Post- Grunge band Grey Daze.