Favorite band or artist of all time?

No fair schubert. Everyone pales in comparison with JSB ;-) .

Am I Inside - Alice in Chains
Dead Girl-Acid Bath

I have to put in a vote for Mozart in the classical realm.  And while I am adding to my list that began with Duane Allman, the best female  singer for me (apologies to Janis who I saw and loved) is Eva Cassidy.  Her voice touches me every time I hear her sing.

I'm not a rabid Beatles fan, but I realized the other day that, when they finished recording "Abbey Road", their last recording, the oldest of them, Ringo, was 29.
Harrison was only 26.

And just 6 1/2 years had passed since their first album.

Decry them all you want, but I can't think of anyone else in 20th century contemporary music who accomplished so much musically and culturally in so short a time.