I love the melody of this piece.
its composed for a string quartret- Violin, two Violas and a Cello.
Heres a nice version @ YouTube.com

It seems alot of people like this piece great music, and made this Rock version:
Canon Rock by JerryC @ YouTube.com

and heres someone who dont like this piece, and complains about he's bieng haunted by it..
Pachelbel Rant - Rob Paravonian @ Youtube.com
(Very funny, +Plays some songs with similar melody/chords | RECOMMENDED)

n_n i love the guitar version as you linked in the start of the thread clicky more than i like the original i am just boring like that xD
haha i remember going "OMFG 20 MILLION VIEWS" and now it has 45 xD!
It's amazing.