Gigwise has The 50 Greatest Band Logos of All Time, and it’s worth perusing…
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Above are the handful that really stand out to me. You can see the rest here.
Two band logos I would have included (make their list, however) are:
Tags: Music - News
Dengue Fever
"March of the
Balloon Animals" (mp3) 
Buy at iTunes Music Store
Great Northern
"Story" (mp3) 
More On This Album
Tune-Yards
"Sunlight" (mp3) Buy at iTunes Music Store
The Monks "Monk
Time" (mp3) Buy at iTunes Music Store
In Flagranti "Brash
& Vulgar" (mp3) Buy at
iTunes Music Store
Papercuts "Future
Primitive" (mp3) 
Buy at Rhapsody
Here We Go Magic
"Fangela" (mp3) Buy at iTunes Music Store
Rae & Christian "Play On
(feat. The Jungle Brothers)" (mp3) Buy at iTunes Music Store Stream from Rhapsody
Buy at Rhapsody More On This Album
Beirut "My Night
With The Prostitute From Marseille" (mp3) Buy at Rhapsody
Willie Nelson, Asleep at the Wheel "Hesitation
Blues" (mp3) 
Buy at Willie and the Wheel Website
