Been having a bit of a trip down memory lane today.
One of the first three AC/DC tracks I heard:
This and "Shot Down In Flames" were two live ones on the B side of the single "Touch Too Much".
At about the same time, this single came out:
And also:
Plus:
And one more:
These singles were my introduction to the so-called NWOBHM, which quickly followed on from my start point of this:
https://www.youtube.com/watch?v=cSo9CC2wKVI
and all came along at about the same time. Those were the days!