The band has always had 4 members who were John Paul Jones, Jimmy Page, Robert Plant and John Bonham. The only change happened in 2007 when Led Zeppelin reunited since the death of their drummer John Bonham in 1980 for their 1 off show in which he was replace by his son Jason.
The main singer of led zepplin is Robert Plant
CBS Records
There aren't any. In My Time of Dying is their longest song at 11:04
8 minutes and 2 seconds.
Most of their hits were late 1969-1975
On itunes, you can buy the complete Led Zeppelin set with all of their albums for $99.99
The four symbols on the cover of their 4th album represent the 4 members of the band - they each designed their own. Jimmy Page's idea apparently - he was into magic, symbols, Aleister Crowley and all that.
Nickelback has stated that they got much of their inspiration from Led Zeppelin. Before becoming famous, they performed cover songs of Led Zeppelins music.
Their last studio album was "In Through The Out Door"; their last album was Coda.
Yes, they all have children.
"stair way to heaven" is the only good song they ever wrote
Yes, they all have grandchildren.