First song to "Blow You Away"...

"Crimson and Clover"..Tommy James and the Shondells...

Very young (maybe seven) but the power of Jefferson Airplane's "Somebody To Love" was overtaking. My parents were normal blue collar workers but they had bought the house next door so my brothers and I could have a yard. Hippies rented that house and sat on the flat roof in the back playing recorders and guitars. Every now and then they'd have the stereo on the roof. One time, while playing baseball, "Somebody To Love" came on and all of us started playing air guitar. I still can't sit still once it hits that first chord.

I'm showing my age -- "Hound Dog," Elvis.

"School" by Supertramp. I bought the record because I liked the cover and wasn't prepared for the sonics and prowess of this record. Haven't been the same since.

"21st Century Schizoid Man" by King Crimson. 'Nuff said!
OK, maybe not. Years later, "Sound Chaser" by YES from the LP "Relayer" changed my peception of what music could be and what musicians could do, and re-shaped my guitar playing.