Reuters reports that Joe Satriani is accusing Cold Play of plagiarism on their landmark tune.  Read it here: http://news.yahoo.com/s/nm/20081205/us_nm/us_coldplay

Satriani’s tune is here:

At about 50 seconds in, you would think it was a cover of Cold Play.

A direct comparison is here:

Not sure it’s pure plagiarism.

That progression in music is very common. Check this:

Whatcha think?