All the J's: Jimi Hendrix, Janis Joplin and Jim Morrison!
The Syd Barrett years with Pink Floyd.
In-A-Gadda-Da-Vida (Iron Butterfly)
The first Black Sabbath album with Bill Ward (drums) and Geezer Butler (bass) rythm complicity and their Paranoid album in '70.
Paint It Black (Rolling Stones)
Emerson, Lake & Palmer progressive rock/classical music Pictures At An Exhibition released in 1973.
The Paul Di'Anno years with Iron Maiden in 1978 - Prowler, Sanctuary
Just random memories of great songs or great innovations i appreciated over the years... might post some more eventually