just played the opening lines after a gap of a few years

I nailed it but found a subtlety ! See below

So

Lesson 2 , which precedes Lesson 1 for Beer

The intro solo ends on the A note, its a simple little run worth learning, by ear , a good practice for all musos of any level

Em is the start chord . Do give it a try ?

It features the E note which also appears in the A chord.

Now having listened again there maybe a Bm on 'wife' before the D on 'out'

To be continued , I'm eating