Instruct: Classify Amazon reviews into positive or negative sentiment
Query: It Shook Me

Grabbed me from the get go. That first LZ album was meant to be an attention getter. Songs of heavy blues and rock. Early metal. Jimmy Page's masterful guitar work along with Robert Plant's piercing vocals set the groundwork for the bands future editions that went through constant metamorphosis. This is a must have album for anyone who appreciates near perfection in one of classic rock's greatest bands.