What does it take to make a successful band last?

It's not easy getting 4-6 musicians on the same page and making it work in the long run. Just look at how many different musicians Mick Jones went through from 1976-2009 with the band Foreigner:
Current Members:
Mick Jones
Thom (Tom) Gimbel
Kelly Hansen
Jeff Pilson
Michael Bluestein
Brian Tichy
Former Members:
Lou Gramm – lead vocals, percussion (1976–1990, 1992–2003)
Dennis Elliott – drums, percussion, backing vocals (1976–1991)
Ian McDonald – guitar, keyboards, saxophone, flute, backing vocals (1976–1980)
Al Greenwood – keyboards, synthesizers (1976–1980)
Ed Gagliardi – bass, backing vocals (1976–1979)
Rick Wills – bass, backing vocals (1979–1992)
Mark Rivera – saxophone, flute, keyboards, guitar, backing vocals (1981–1987, 1991–1992)
Bob Mayo – keyboards, synthesizers, guitar, backing vocals (1981–1985)
Peter Reilich – keyboards, synthesizers (1981–1982)
Larry Oakes – guitar, keyboards, synthesizers, backing vocals (1988)
Lou Cortelezzi – saxophone (1988)
Johnny Edwards – lead vocals, guitar (1990–1992)
Larry Aberman – drums, percussion (1991–1992)
Bruce Turgon – bass, backing vocals (1992–2003)
Mark Schulman – drums, percussion, backing vocals (1992–1995, 2000–2002)
Scott Gilman – guitar, saxophone, backing vocals (1992, 1993–1995)
Ron Wikso – drums, percussion (1995–1998)
John Purdell - keyboards, synthesizers(filled in for Jacobs 2000)
Denny Carmassi – drums, percussion (2002)
Chaz West – lead vocals (2004)
Jeff Jacobs – keyboards, synthesizers, backing vocals (1991–2007)
Paul Mirkovich – keyboards, synthesizers (2007–2008)
Jason Bonham – drums, percussion, backing vocals (2004–2007, 2007–2008)
Bryan Head - drums, percussion (2008)
Member Biographies
Mick Jones: guitar, piano, keyboards, background vocals (1976-?). Original band member. Background: Nero And The Gladiators in early '60s, Johnny Hallyday in late '60s, Spooky Tooth in early '70s, The Leslie West Band in mid '70s, and own solo project in late '80s, among others participations as performer, composer / writer and producer.
Jeff Jacobs: piano, organ, keyboards, background vocals (1993-?). He joined the band as tour keyboardist in '92, and became an official member in '93. Background: studio / tour musician and Billy Joel's band in late '80s and early '90s, Mick Jones solo project in late '80s, and Two Fires in early '00s, among other acts as performer and producer.
Thom Gimbel: saxophone, guitar, background vocals (1995-?). He joined the band as tour multi-instrumentalist in '95, he is not an official member but his skills are needed on stage. Background: John Butcher's band in early '80s, Aerosmith in late '80s and early '90s, and Miguel Mateos' band in early '90s, among some other participations as performer.
Lou Gramm: lead vocals, percussion, background vocals (1976-90; 92-02). Original band member. Background: Poor Heart in early '70s, Black Sheep in mid '70s, Bryan Adams solo project in early '80s, own solo project in late '80s, Shadow King in early '90s, and new own solo project since 2002, among some other participations as performer.
Bruce Turgon: bass guitar, background vocals (1993-02). He joined the band as tour bass player in '92, became an official member in '93, and left along Lou Gramm in 2002. Background: Black Sheep in mid '70s, Phoenix in late '70s, Lou Gramm solo project in late '80s, Shadow King in early '90s, and Lou Gramm solo project since 2002, among others.
Denny Carmassi: drums (2002). He joined the band as tour drummer after Schulman's unavailability in '02. Background: Montrose in mid '70s, Sammy Hagar solo project in late '70s and late '90s, Gamma in early '80s, Heart from mid '80s to mid '90s, Cinderella in '88, and Coverdale / Page in '93, among many other participations as performer.
Mark Schulman: drums, background vocals (1993-95; 00-02). He joined the band as studio drummer in '92, became an official member in '93, left in '95, and rejoined as tour drummer after Tichy's unavailability in '00. Background: Simple Minds in mid '90s, and Clock since late '90s, among other participations as tour drummer, composer and producer.
Brian Tichy: drums (1998-00). He joined the band as tour drummer as replacement of Wikso in '98. Background: studio / tour drummer during '90s with Vinnie Moore, Pride And Glory, Slash's Snakepit and Nickelbag, Ball in late '90s and early '00s, tour drummer in early '00s with Ozzy Ozbourne, Glenn Hughes, Gilby Clarke, Billy Idol and others.
Ron Wikso: drums (1995-98 ). He joined the band as tour drummer after Schulman's departure in '95, and was unexpectedly replaced in '98. Background: Black Sheep in early '70s, tour drummer during '80s and '90s with Cher, David Lee Roth and Santana, The Storm in late 90's, and Gregg Rolie solo project in '00s, among some acts as producer.
Rick Wills: bass guitar, background vocals (1979-92). He joined the band as replacement of Gagliardi in '79, and stayed with it until Jones started reforming the band in '92. Background: Cochise and Peter Frampton's Humble Pie during '70s, Mick Jones solo project in late '80s, and Bad Company in late '90s, among other acts as performer.
Johnny Edwards: lead vocals, guitar (1990-92). He joined the band as replacement of Gramm in '90, and stayed until Jones started reforming it in '92. Background: Ronnie Montrose solo project in mid '80s, Northrup and King Cobra in late '80s, Wild Horses in '90, Royal Jelly in mid '90s, currently working with Jeff Northrup on a future release.
Dennis Elliott: drums (1976-91). Original band member, left in '91. Background: The Chevelles in late '60s, Ferris Wheel's band in late '60s and early '70s, If in early 70's, Ian Hunter's band in mid '70s and late '90s, and Mick Jones solo project in late '80s, among some other participations as performer. Professional wood sculptor since early '90s.
Ian McDonald: guitar, keyboards, saxes, flutes, b. vocals (1976-80). Original band member, he was forced to leave in '80. Background: King Crimson in late '60s, McDonald And Giles in early '70s, own solo project in late '90s, and 21st Century Schizoid Band since '02, among many other participations as multi-instrumentalist and producer.
Al Greenwood: keyboards, synthesizers (1976-80). Original band member, he was forced to leave in '80. Background: Spys in early '80s, Joe Lynn Turner in mid '80s, and Garbo Talks in late '90s.
Ed Gagliardi: bass guitar, background vocals (1976-79). Original band member, he was forced to leave in '79
Current Members:
Mick Jones
Thom (Tom) Gimbel
Kelly Hansen
Jeff Pilson
Michael Bluestein
Brian Tichy
Former Members:
Lou Gramm – lead vocals, percussion (1976–1990, 1992–2003)
Dennis Elliott – drums, percussion, backing vocals (1976–1991)
Ian McDonald – guitar, keyboards, saxophone, flute, backing vocals (1976–1980)
Al Greenwood – keyboards, synthesizers (1976–1980)
Ed Gagliardi – bass, backing vocals (1976–1979)
Rick Wills – bass, backing vocals (1979–1992)
Mark Rivera – saxophone, flute, keyboards, guitar, backing vocals (1981–1987, 1991–1992)
Bob Mayo – keyboards, synthesizers, guitar, backing vocals (1981–1985)
Peter Reilich – keyboards, synthesizers (1981–1982)
Larry Oakes – guitar, keyboards, synthesizers, backing vocals (1988)
Lou Cortelezzi – saxophone (1988)
Johnny Edwards – lead vocals, guitar (1990–1992)
Larry Aberman – drums, percussion (1991–1992)
Bruce Turgon – bass, backing vocals (1992–2003)
Mark Schulman – drums, percussion, backing vocals (1992–1995, 2000–2002)
Scott Gilman – guitar, saxophone, backing vocals (1992, 1993–1995)
Ron Wikso – drums, percussion (1995–1998)
John Purdell - keyboards, synthesizers(filled in for Jacobs 2000)
Denny Carmassi – drums, percussion (2002)
Chaz West – lead vocals (2004)
Jeff Jacobs – keyboards, synthesizers, backing vocals (1991–2007)
Paul Mirkovich – keyboards, synthesizers (2007–2008)
Jason Bonham – drums, percussion, backing vocals (2004–2007, 2007–2008)
Bryan Head - drums, percussion (2008)
Member Biographies
Mick Jones: guitar, piano, keyboards, background vocals (1976-?). Original band member. Background: Nero And The Gladiators in early '60s, Johnny Hallyday in late '60s, Spooky Tooth in early '70s, The Leslie West Band in mid '70s, and own solo project in late '80s, among others participations as performer, composer / writer and producer.
Jeff Jacobs: piano, organ, keyboards, background vocals (1993-?). He joined the band as tour keyboardist in '92, and became an official member in '93. Background: studio / tour musician and Billy Joel's band in late '80s and early '90s, Mick Jones solo project in late '80s, and Two Fires in early '00s, among other acts as performer and producer.
Thom Gimbel: saxophone, guitar, background vocals (1995-?). He joined the band as tour multi-instrumentalist in '95, he is not an official member but his skills are needed on stage. Background: John Butcher's band in early '80s, Aerosmith in late '80s and early '90s, and Miguel Mateos' band in early '90s, among some other participations as performer.
Lou Gramm: lead vocals, percussion, background vocals (1976-90; 92-02). Original band member. Background: Poor Heart in early '70s, Black Sheep in mid '70s, Bryan Adams solo project in early '80s, own solo project in late '80s, Shadow King in early '90s, and new own solo project since 2002, among some other participations as performer.
Bruce Turgon: bass guitar, background vocals (1993-02). He joined the band as tour bass player in '92, became an official member in '93, and left along Lou Gramm in 2002. Background: Black Sheep in mid '70s, Phoenix in late '70s, Lou Gramm solo project in late '80s, Shadow King in early '90s, and Lou Gramm solo project since 2002, among others.
Denny Carmassi: drums (2002). He joined the band as tour drummer after Schulman's unavailability in '02. Background: Montrose in mid '70s, Sammy Hagar solo project in late '70s and late '90s, Gamma in early '80s, Heart from mid '80s to mid '90s, Cinderella in '88, and Coverdale / Page in '93, among many other participations as performer.
Mark Schulman: drums, background vocals (1993-95; 00-02). He joined the band as studio drummer in '92, became an official member in '93, left in '95, and rejoined as tour drummer after Tichy's unavailability in '00. Background: Simple Minds in mid '90s, and Clock since late '90s, among other participations as tour drummer, composer and producer.
Brian Tichy: drums (1998-00). He joined the band as tour drummer as replacement of Wikso in '98. Background: studio / tour drummer during '90s with Vinnie Moore, Pride And Glory, Slash's Snakepit and Nickelbag, Ball in late '90s and early '00s, tour drummer in early '00s with Ozzy Ozbourne, Glenn Hughes, Gilby Clarke, Billy Idol and others.
Ron Wikso: drums (1995-98 ). He joined the band as tour drummer after Schulman's departure in '95, and was unexpectedly replaced in '98. Background: Black Sheep in early '70s, tour drummer during '80s and '90s with Cher, David Lee Roth and Santana, The Storm in late 90's, and Gregg Rolie solo project in '00s, among some acts as producer.
Rick Wills: bass guitar, background vocals (1979-92). He joined the band as replacement of Gagliardi in '79, and stayed with it until Jones started reforming the band in '92. Background: Cochise and Peter Frampton's Humble Pie during '70s, Mick Jones solo project in late '80s, and Bad Company in late '90s, among other acts as performer.
Johnny Edwards: lead vocals, guitar (1990-92). He joined the band as replacement of Gramm in '90, and stayed until Jones started reforming it in '92. Background: Ronnie Montrose solo project in mid '80s, Northrup and King Cobra in late '80s, Wild Horses in '90, Royal Jelly in mid '90s, currently working with Jeff Northrup on a future release.
Dennis Elliott: drums (1976-91). Original band member, left in '91. Background: The Chevelles in late '60s, Ferris Wheel's band in late '60s and early '70s, If in early 70's, Ian Hunter's band in mid '70s and late '90s, and Mick Jones solo project in late '80s, among some other participations as performer. Professional wood sculptor since early '90s.
Ian McDonald: guitar, keyboards, saxes, flutes, b. vocals (1976-80). Original band member, he was forced to leave in '80. Background: King Crimson in late '60s, McDonald And Giles in early '70s, own solo project in late '90s, and 21st Century Schizoid Band since '02, among many other participations as multi-instrumentalist and producer.
Al Greenwood: keyboards, synthesizers (1976-80). Original band member, he was forced to leave in '80. Background: Spys in early '80s, Joe Lynn Turner in mid '80s, and Garbo Talks in late '90s.
Ed Gagliardi: bass guitar, background vocals (1976-79). Original band member, he was forced to leave in '79