Queensryche - Chasing Blue Sky tab

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QUEENSRYCHE
CHASING BLUE SKY

These are the basic chords to the song:IT ISNT THAT MUCH....

[ Tab from: http://www.guitaretab.com/q/queensryche/71083.html ]
D minor.....xx0321 (open A optional)
C Major.....x32010
G Major.....3x003x
A/F ???.....x03010


The progression basically goes in that order.  Nice mellow 
about that...I need 300 symbols to tab it).........

Enjoy!