It depends on who is asking the question. We all have different tastes.
Some people consider them to be. The title is very opinion based though.
Immortal Souls. They are the biggest under-rated band of all times, yet they are good enough to BE the top.
Korpiklaani is often thought to be the best folk metal band of all time.
The beatles
It depends on what you like. For Country Music, they have topped the charts several times. Personally, I will always think of them as the best Country Band.
The Beatles
rancid
The Beatles
no
Jordan Pruitt has the best band of all time Nirvana!!!!!!!
The Beatles
Tell them how awesome it would be if you all did